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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ClassOfStockLineItems" xlink:label="loc_us-gaap_ClassOfStockLineItems_F63D755026BAD04D4A1FBA65708EC939" xlink:type="locator" />
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    <link:label id="lab_astm_ValueOfSharesOfCommonStockToBeSold_9B6B94DF63570BA476E8BA65708EC69A_documentation_en-US" xlink:label="lab_astm_ValueOfSharesOfCommonStockToBeSold_9B6B94DF63570BA476E8BA65708EC69A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the value of shares of common stock to be sold as per the purchase agreement entered into by the entity.</link:label>
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    <link:label id="lab_astm_NumberOfSharesOfCommonStockToBePurchasedInRegularPurchases_71D209B7BEA5A94C6B20BA65708E1F57_terseLabel_en-US" xlink:label="lab_astm_NumberOfSharesOfCommonStockToBePurchasedInRegularPurchases_71D209B7BEA5A94C6B20BA65708E1F57" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of shares of common stock to be purchased in regular purchases</link:label>
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    <link:label id="lab_astm_NumberOfSharesOfCommonStockToBePurchasedInRegularPurchases_71D209B7BEA5A94C6B20BA65708E1F57_documentation_en-US" xlink:label="lab_astm_NumberOfSharesOfCommonStockToBePurchasedInRegularPurchases_71D209B7BEA5A94C6B20BA65708E1F57" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the number of shares of common stock to be purchased in regular purchases, if directed by the entity as per the purchase agreement.</link:label>
    <link:loc xlink:href="astm-20150630.xsd#astm_NumberOfSharesOfCommonStockToBePurchasedInRegularPurchases" xlink:label="loc_astm_NumberOfSharesOfCommonStockToBePurchasedInRegularPurchases_71D209B7BEA5A94C6B20BA65708E1F57" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_astm_NumberOfSharesOfCommonStockToBePurchasedInRegularPurchases_71D209B7BEA5A94C6B20BA65708E1F57" xlink:to="lab_astm_NumberOfSharesOfCommonStockToBePurchasedInRegularPurchases_71D209B7BEA5A94C6B20BA65708E1F57" xlink:type="arc" />
    <link:label id="lab_astm_NumberOfSharesOfCommonStockToBePurchasedBasedOnClosingSalePriceOfCommonStock_66A61A014DED5AA83E92BA65708E6B1F_terseLabel_en-US" xlink:label="lab_astm_NumberOfSharesOfCommonStockToBePurchasedBasedOnClosingSalePriceOfCommonStock_66A61A014DED5AA83E92BA65708E6B1F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of shares of common stock to be purchased depending upon the closing sale price of the common stock</link:label>
    <link:label id="lab_astm_NumberOfSharesOfCommonStockToBePurchasedBasedOnClosingSalePriceOfCommonStock_66A61A014DED5AA83E92BA65708E6B1F_label_en-US" xlink:label="lab_astm_NumberOfSharesOfCommonStockToBePurchasedBasedOnClosingSalePriceOfCommonStock_66A61A014DED5AA83E92BA65708E6B1F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Shares of Common Stock to be Purchased Based on Closing Sale Price of Common Stock</link:label>
    <link:label id="lab_astm_NumberOfSharesOfCommonStockToBePurchasedBasedOnClosingSalePriceOfCommonStock_66A61A014DED5AA83E92BA65708E6B1F_documentation_en-US" xlink:label="lab_astm_NumberOfSharesOfCommonStockToBePurchasedBasedOnClosingSalePriceOfCommonStock_66A61A014DED5AA83E92BA65708E6B1F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the number of shares of common stock to be purchased depending upon the closing sale price of the common stock, if directed by the entity as per the purchase agreement.</link:label>
    <link:loc xlink:href="astm-20150630.xsd#astm_NumberOfSharesOfCommonStockToBePurchasedBasedOnClosingSalePriceOfCommonStock" xlink:label="loc_astm_NumberOfSharesOfCommonStockToBePurchasedBasedOnClosingSalePriceOfCommonStock_66A61A014DED5AA83E92BA65708E6B1F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_astm_NumberOfSharesOfCommonStockToBePurchasedBasedOnClosingSalePriceOfCommonStock_66A61A014DED5AA83E92BA65708E6B1F" xlink:to="lab_astm_NumberOfSharesOfCommonStockToBePurchasedBasedOnClosingSalePriceOfCommonStock_66A61A014DED5AA83E92BA65708E6B1F" xlink:type="arc" />
    <link:label id="lab_astm_ThresholdClosingSalePriceOfCommonStockOnDateOfRegularPurchaseToTriggerAcceleratedPurchasesOfAdditionalCommonStock_DA5958AC2BDA38E451C5BA65708ECE7B_terseLabel_en-US" xlink:label="lab_astm_ThresholdClosingSalePriceOfCommonStockOnDateOfRegularPurchaseToTriggerAcceleratedPurchasesOfAdditionalCommonStock_DA5958AC2BDA38E451C5BA65708ECE7B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Threshold closing sale price of the common stock on the date of a regular purchase to trigger purchase of additional amounts as accelerated purchases (in dollars per share)</link:label>
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    <link:loc xlink:href="astm-20150630.xsd#astm_ThresholdClosingSalePriceOfCommonStockOnDateOfRegularPurchaseToTriggerAcceleratedPurchasesOfAdditionalCommonStock" xlink:label="loc_astm_ThresholdClosingSalePriceOfCommonStockOnDateOfRegularPurchaseToTriggerAcceleratedPurchasesOfAdditionalCommonStock_DA5958AC2BDA38E451C5BA65708ECE7B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_astm_ThresholdClosingSalePriceOfCommonStockOnDateOfRegularPurchaseToTriggerAcceleratedPurchasesOfAdditionalCommonStock_DA5958AC2BDA38E451C5BA65708ECE7B" xlink:to="lab_astm_ThresholdClosingSalePriceOfCommonStockOnDateOfRegularPurchaseToTriggerAcceleratedPurchasesOfAdditionalCommonStock_DA5958AC2BDA38E451C5BA65708ECE7B" xlink:type="arc" />
    <link:label id="lab_astm_PeriodOfBusinessDaysOverWhichPurchasePriceOfSharesOfCommonStockWillBeDetermined_80808DDA154552E0355CBA65708ED377_terseLabel_en-US" xlink:label="lab_astm_PeriodOfBusinessDaysOverWhichPurchasePriceOfSharesOfCommonStockWillBeDetermined_80808DDA154552E0355CBA65708ED377" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Period of business days over which purchase price of shares of common stock will be determined</link:label>
    <link:label id="lab_astm_PeriodOfBusinessDaysOverWhichPurchasePriceOfSharesOfCommonStockWillBeDetermined_80808DDA154552E0355CBA65708ED377_label_en-US" xlink:label="lab_astm_PeriodOfBusinessDaysOverWhichPurchasePriceOfSharesOfCommonStockWillBeDetermined_80808DDA154552E0355CBA65708ED377" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Period of Business Days over which Purchase Price of Shares of Common Stock will be Determined</link:label>
    <link:label id="lab_astm_PeriodOfBusinessDaysOverWhichPurchasePriceOfSharesOfCommonStockWillBeDetermined_80808DDA154552E0355CBA65708ED377_documentation_en-US" xlink:label="lab_astm_PeriodOfBusinessDaysOverWhichPurchasePriceOfSharesOfCommonStockWillBeDetermined_80808DDA154552E0355CBA65708ED377" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the period of business days over which purchase price of shares of common stock will be determined as per the purchase agreement entered into by the entity.</link:label>
    <link:loc xlink:href="astm-20150630.xsd#astm_PeriodOfBusinessDaysOverWhichPurchasePriceOfSharesOfCommonStockWillBeDetermined" xlink:label="loc_astm_PeriodOfBusinessDaysOverWhichPurchasePriceOfSharesOfCommonStockWillBeDetermined_80808DDA154552E0355CBA65708ED377" xlink:type="locator" />
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    <link:label id="lab_astm_FloorPriceForSaleOfSharesOfCommonStock_D9732A2160F2EE5A43C1BA65708EA452_terseLabel_en-US" xlink:label="lab_astm_FloorPriceForSaleOfSharesOfCommonStock_D9732A2160F2EE5A43C1BA65708EA452" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Floor price for sale of shares of common stock (in dollars per share)</link:label>
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    <link:label id="lab_astm_FloorPriceForSaleOfSharesOfCommonStock_D9732A2160F2EE5A43C1BA65708EA452_documentation_en-US" xlink:label="lab_astm_FloorPriceForSaleOfSharesOfCommonStock_D9732A2160F2EE5A43C1BA65708EA452" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the floor price for the sale of shares of common stock as per the purchase agreement entered into by the entity.</link:label>
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    <link:label id="lab_astm_ThresholdOnPercentageOfOutstandingSharesOfCommonStockThatCanBeBeneficiallyOwnedByCounterparty_0F2EBA9334CBBB0B7DAFBA65708E0042_terseLabel_en-US" xlink:label="lab_astm_ThresholdOnPercentageOfOutstandingSharesOfCommonStockThatCanBeBeneficiallyOwnedByCounterparty_0F2EBA9334CBBB0B7DAFBA65708E0042" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Threshold on percentage of outstanding shares of the common stock that can be beneficially owned by counterparty</link:label>
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    <link:label id="lab_astm_ThresholdOnPercentageOfOutstandingSharesOfCommonStockThatCanBeBeneficiallyOwnedByCounterparty_0F2EBA9334CBBB0B7DAFBA65708E0042_documentation_en-US" xlink:label="lab_astm_ThresholdOnPercentageOfOutstandingSharesOfCommonStockThatCanBeBeneficiallyOwnedByCounterparty_0F2EBA9334CBBB0B7DAFBA65708E0042" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the threshold on percentage of outstanding shares of the common stock that can be beneficially owned by counterparty to the agreement.</link:label>
    <link:loc xlink:href="astm-20150630.xsd#astm_ThresholdOnPercentageOfOutstandingSharesOfCommonStockThatCanBeBeneficiallyOwnedByCounterparty" xlink:label="loc_astm_ThresholdOnPercentageOfOutstandingSharesOfCommonStockThatCanBeBeneficiallyOwnedByCounterparty_0F2EBA9334CBBB0B7DAFBA65708E0042" xlink:type="locator" />
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    <link:label id="lab_astm_ValueOfRemainingSharesOfCommonStockToBeSold_02DF1BA78E2444C6EA60BA65708E1CD7_terseLabel_en-US" xlink:label="lab_astm_ValueOfRemainingSharesOfCommonStockToBeSold_02DF1BA78E2444C6EA60BA65708E1CD7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Value of remaining shares of common stock to be sold</link:label>
    <link:label id="lab_astm_ValueOfRemainingSharesOfCommonStockToBeSold_02DF1BA78E2444C6EA60BA65708E1CD7_label_en-US" xlink:label="lab_astm_ValueOfRemainingSharesOfCommonStockToBeSold_02DF1BA78E2444C6EA60BA65708E1CD7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Value of Remaining Shares of Common Stock to be Sold</link:label>
    <link:label id="lab_astm_ValueOfRemainingSharesOfCommonStockToBeSold_02DF1BA78E2444C6EA60BA65708E1CD7_documentation_en-US" xlink:label="lab_astm_ValueOfRemainingSharesOfCommonStockToBeSold_02DF1BA78E2444C6EA60BA65708E1CD7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the value of remaining shares of common stock to be sold as per the purchase agreement entered into by the entity.</link:label>
    <link:loc xlink:href="astm-20150630.xsd#astm_ValueOfRemainingSharesOfCommonStockToBeSold" xlink:label="loc_astm_ValueOfRemainingSharesOfCommonStockToBeSold_02DF1BA78E2444C6EA60BA65708E1CD7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_astm_ValueOfRemainingSharesOfCommonStockToBeSold_02DF1BA78E2444C6EA60BA65708E1CD7" xlink:to="lab_astm_ValueOfRemainingSharesOfCommonStockToBeSold_02DF1BA78E2444C6EA60BA65708E1CD7" xlink:type="arc" />
    <link:label id="lab_astm_CommonStockRemainingCapacity_B077193C47114945B2B9BA65708EC617_terseLabel_en-US" xlink:label="lab_astm_CommonStockRemainingCapacity_B077193C47114945B2B9BA65708EC617" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount of net capacity remaining on the ATM</link:label>
    <link:label id="lab_astm_CommonStockRemainingCapacity_B077193C47114945B2B9BA65708EC617_label_en-US" xlink:label="lab_astm_CommonStockRemainingCapacity_B077193C47114945B2B9BA65708EC617" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock Remaining Capacity</link:label>
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    <link:label id="lab_us-gaap_StatementOfCashFlowsAbstract_D3A406A05DE4A3810CC51E39A83D891E_label_en-US" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract_D3A406A05DE4A3810CC51E39A83D891E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Cash Flows [Abstract]</link:label>
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    <link:label id="lab_us-gaap_ConcentrationRiskByTypeAxis_85F1683A71E7A43040A0FB903E6C8101_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskByTypeAxis_85F1683A71E7A43040A0FB903E6C8101" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Concentration Risk Type [Axis]</link:label>
    <link:label id="lab_us-gaap_ConcentrationRiskByTypeAxis_85F1683A71E7A43040A0FB903E6C8101_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskByTypeAxis_85F1683A71E7A43040A0FB903E6C8101" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Concentration Risk Type [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_85F1683A71E7A43040A0FB903E6C8101" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_85F1683A71E7A43040A0FB903E6C8101" xlink:to="lab_us-gaap_ConcentrationRiskByTypeAxis_85F1683A71E7A43040A0FB903E6C8101" xlink:type="arc" />
    <link:label id="lab_us-gaap_ConcentrationRiskTypeDomain_FD3ED995016415F3FF18FB903E6C6139_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskTypeDomain_FD3ED995016415F3FF18FB903E6C6139" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Concentration Risk Type [Domain]</link:label>
    <link:label id="lab_us-gaap_ConcentrationRiskTypeDomain_FD3ED995016415F3FF18FB903E6C6139_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskTypeDomain_FD3ED995016415F3FF18FB903E6C6139" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Concentration Risk Type [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_FD3ED995016415F3FF18FB903E6C6139" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_FD3ED995016415F3FF18FB903E6C6139" xlink:to="lab_us-gaap_ConcentrationRiskTypeDomain_FD3ED995016415F3FF18FB903E6C6139" xlink:type="arc" />
    <link:label id="lab_us-gaap_CustomerConcentrationRiskMember_98B176AAA5DAA988E5A7FB903E6CD90E_terseLabel_en-US" xlink:label="lab_us-gaap_CustomerConcentrationRiskMember_98B176AAA5DAA988E5A7FB903E6CD90E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Customer concentration</link:label>
    <link:label id="lab_us-gaap_CustomerConcentrationRiskMember_98B176AAA5DAA988E5A7FB903E6CD90E_label_en-US" xlink:label="lab_us-gaap_CustomerConcentrationRiskMember_98B176AAA5DAA988E5A7FB903E6CD90E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Customer Concentration Risk [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CustomerConcentrationRiskMember" xlink:label="loc_us-gaap_CustomerConcentrationRiskMember_98B176AAA5DAA988E5A7FB903E6CD90E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CustomerConcentrationRiskMember_98B176AAA5DAA988E5A7FB903E6CD90E" xlink:to="lab_us-gaap_CustomerConcentrationRiskMember_98B176AAA5DAA988E5A7FB903E6CD90E" xlink:type="arc" />
    <link:label id="lab_us-gaap_MajorCustomersAxis_FE07B6535057AD01899AFB903E6C2370_terseLabel_en-US" xlink:label="lab_us-gaap_MajorCustomersAxis_FE07B6535057AD01899AFB903E6C2370" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Customer [Axis]</link:label>
    <link:label id="lab_us-gaap_MajorCustomersAxis_FE07B6535057AD01899AFB903E6C2370_label_en-US" xlink:label="lab_us-gaap_MajorCustomersAxis_FE07B6535057AD01899AFB903E6C2370" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Customer [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MajorCustomersAxis" xlink:label="loc_us-gaap_MajorCustomersAxis_FE07B6535057AD01899AFB903E6C2370" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MajorCustomersAxis_FE07B6535057AD01899AFB903E6C2370" xlink:to="lab_us-gaap_MajorCustomersAxis_FE07B6535057AD01899AFB903E6C2370" xlink:type="arc" />
    <link:label id="lab_us-gaap_NameOfMajorCustomerDomain_1D70E28D22CEF4930AB7FB903E6CDFD7_terseLabel_en-US" xlink:label="lab_us-gaap_NameOfMajorCustomerDomain_1D70E28D22CEF4930AB7FB903E6CDFD7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Customer [Domain]</link:label>
    <link:label id="lab_us-gaap_NameOfMajorCustomerDomain_1D70E28D22CEF4930AB7FB903E6CDFD7_label_en-US" xlink:label="lab_us-gaap_NameOfMajorCustomerDomain_1D70E28D22CEF4930AB7FB903E6CDFD7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Customer [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NameOfMajorCustomerDomain" xlink:label="loc_us-gaap_NameOfMajorCustomerDomain_1D70E28D22CEF4930AB7FB903E6CDFD7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NameOfMajorCustomerDomain_1D70E28D22CEF4930AB7FB903E6CDFD7" xlink:to="lab_us-gaap_NameOfMajorCustomerDomain_1D70E28D22CEF4930AB7FB903E6CDFD7" xlink:type="arc" />
    <link:label id="lab_astm_OneThirdPartyCustomerInUSMember_D348169BF42F0DAB34C6FB903E6C72B3_terseLabel_en-US" xlink:label="lab_astm_OneThirdPartyCustomerInUSMember_D348169BF42F0DAB34C6FB903E6C72B3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">One distributor in the U.S</link:label>
    <link:label id="lab_astm_OneThirdPartyCustomerInUSMember_D348169BF42F0DAB34C6FB903E6C72B3_label_en-US" xlink:label="lab_astm_OneThirdPartyCustomerInUSMember_D348169BF42F0DAB34C6FB903E6C72B3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">One Third Party Customer In U S [Member]</link:label>
    <link:label id="lab_astm_OneThirdPartyCustomerInUSMember_D348169BF42F0DAB34C6FB903E6C72B3_documentation_en-US" xlink:label="lab_astm_OneThirdPartyCustomerInUSMember_D348169BF42F0DAB34C6FB903E6C72B3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to the one third party customer in the U.S.</link:label>
    <link:loc xlink:href="astm-20150630.xsd#astm_OneThirdPartyCustomerInUSMember" xlink:label="loc_astm_OneThirdPartyCustomerInUSMember_D348169BF42F0DAB34C6FB903E6C72B3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_astm_OneThirdPartyCustomerInUSMember_D348169BF42F0DAB34C6FB903E6C72B3" xlink:to="lab_astm_OneThirdPartyCustomerInUSMember_D348169BF42F0DAB34C6FB903E6C72B3" xlink:type="arc" />
    <link:label id="lab_astm_SecondLargestCustomerMember_1BC108595A845CE3044AFB903E6C553F_terseLabel_en-US" xlink:label="lab_astm_SecondLargestCustomerMember_1BC108595A845CE3044AFB903E6C553F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Second Largest Customer</link:label>
    <link:label id="lab_astm_SecondLargestCustomerMember_1BC108595A845CE3044AFB903E6C553F_label_en-US" xlink:label="lab_astm_SecondLargestCustomerMember_1BC108595A845CE3044AFB903E6C553F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Second Largest Customer [Member]</link:label>
    <link:label id="lab_astm_SecondLargestCustomerMember_1BC108595A845CE3044AFB903E6C553F_documentation_en-US" xlink:label="lab_astm_SecondLargestCustomerMember_1BC108595A845CE3044AFB903E6C553F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Second Largest Customer [Member]</link:label>
    <link:loc xlink:href="astm-20150630.xsd#astm_SecondLargestCustomerMember" xlink:label="loc_astm_SecondLargestCustomerMember_1BC108595A845CE3044AFB903E6C553F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_astm_SecondLargestCustomerMember_1BC108595A845CE3044AFB903E6C553F" xlink:to="lab_astm_SecondLargestCustomerMember_1BC108595A845CE3044AFB903E6C553F" xlink:type="arc" />
    <link:label id="lab_us-gaap_ConcentrationRiskLineItems_4A6F4C2C97751DC76C3BFB903E6CECE9_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskLineItems_4A6F4C2C97751DC76C3BFB903E6CECE9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CONCENTRATION</link:label>
    <link:label id="lab_us-gaap_ConcentrationRiskLineItems_4A6F4C2C97751DC76C3BFB903E6CECE9_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskLineItems_4A6F4C2C97751DC76C3BFB903E6CECE9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Concentration Risk [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskLineItems" xlink:label="loc_us-gaap_ConcentrationRiskLineItems_4A6F4C2C97751DC76C3BFB903E6CECE9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_4A6F4C2C97751DC76C3BFB903E6CECE9" xlink:to="lab_us-gaap_ConcentrationRiskLineItems_4A6F4C2C97751DC76C3BFB903E6CECE9" xlink:type="arc" />
    <link:label id="lab_astm_NumberOfCustomers_0F6D8403916C047978FEFB903E6C51CD_terseLabel_en-US" xlink:label="lab_astm_NumberOfCustomers_0F6D8403916C047978FEFB903E6C51CD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of customers</link:label>
    <link:label id="lab_astm_NumberOfCustomers_0F6D8403916C047978FEFB903E6C51CD_label_en-US" xlink:label="lab_astm_NumberOfCustomers_0F6D8403916C047978FEFB903E6C51CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Customers</link:label>
    <link:label id="lab_astm_NumberOfCustomers_0F6D8403916C047978FEFB903E6C51CD_documentation_en-US" xlink:label="lab_astm_NumberOfCustomers_0F6D8403916C047978FEFB903E6C51CD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents number of customers.</link:label>
    <link:loc xlink:href="astm-20150630.xsd#astm_NumberOfCustomers" xlink:label="loc_astm_NumberOfCustomers_0F6D8403916C047978FEFB903E6C51CD" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ConcentrationRiskPercentage1_FC9C70C25223EB9C02FFFB903E6D95BC_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskPercentage1_FC9C70C25223EB9C02FFFB903E6D95BC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Concentration risk (as a percent)</link:label>
    <link:label id="lab_us-gaap_ConcentrationRiskPercentage1_FC9C70C25223EB9C02FFFB903E6D95BC_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskPercentage1_FC9C70C25223EB9C02FFFB903E6D95BC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Concentration Risk, Percentage</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskPercentage1" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_FC9C70C25223EB9C02FFFB903E6D95BC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConcentrationRiskPercentage1_FC9C70C25223EB9C02FFFB903E6D95BC" xlink:to="lab_us-gaap_ConcentrationRiskPercentage1_FC9C70C25223EB9C02FFFB903E6D95BC" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_133ACCF3D60581BD37C31E8B4FBE4906_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_133ACCF3D60581BD37C31E8B4FBE4906" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_133ACCF3D60581BD37C31E8B4FBE4906_label_en-US" xlink:label="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_133ACCF3D60581BD37C31E8B4FBE4906" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_133ACCF3D60581BD37C31E8B4FBE4906" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_F0545A292BC4DD7E5DA51E8B4FBEF95F_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_F0545A292BC4DD7E5DA51E8B4FBEF95F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Type [Axis]</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_F0545A292BC4DD7E5DA51E8B4FBEF95F_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_F0545A292BC4DD7E5DA51E8B4FBEF95F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Type [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_F0545A292BC4DD7E5DA51E8B4FBEF95F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_F0545A292BC4DD7E5DA51E8B4FBEF95F" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_F0545A292BC4DD7E5DA51E8B4FBEF95F" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_643F910F5DABE87C21751E8B4FBE7556_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_643F910F5DABE87C21751E8B4FBE7556" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Type [Domain]</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_643F910F5DABE87C21751E8B4FBE7556_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_643F910F5DABE87C21751E8B4FBE7556" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Type [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_643F910F5DABE87C21751E8B4FBE7556" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_643F910F5DABE87C21751E8B4FBE7556" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_643F910F5DABE87C21751E8B4FBE7556" xlink:type="arc" />
    <link:label id="lab_astm_EquipmentAndComputersMember_88F253C321F418AC40FC1E8B4FBE256C_terseLabel_en-US" xlink:label="lab_astm_EquipmentAndComputersMember_88F253C321F418AC40FC1E8B4FBE256C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equipment and computers</link:label>
    <link:label id="lab_astm_EquipmentAndComputersMember_88F253C321F418AC40FC1E8B4FBE256C_label_en-US" xlink:label="lab_astm_EquipmentAndComputersMember_88F253C321F418AC40FC1E8B4FBE256C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equipment And Computers [Member]</link:label>
    <link:label id="lab_astm_EquipmentAndComputersMember_88F253C321F418AC40FC1E8B4FBE256C_documentation_en-US" xlink:label="lab_astm_EquipmentAndComputersMember_88F253C321F418AC40FC1E8B4FBE256C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to equipment and computers.</link:label>
    <link:loc xlink:href="astm-20150630.xsd#astm_EquipmentAndComputersMember" xlink:label="loc_astm_EquipmentAndComputersMember_88F253C321F418AC40FC1E8B4FBE256C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_astm_EquipmentAndComputersMember_88F253C321F418AC40FC1E8B4FBE256C" xlink:to="lab_astm_EquipmentAndComputersMember_88F253C321F418AC40FC1E8B4FBE256C" xlink:type="arc" />
    <link:label id="lab_us-gaap_FurnitureAndFixturesMember_ED711A503CB705394A7D1E8B4FBE2EC7_terseLabel_en-US" xlink:label="lab_us-gaap_FurnitureAndFixturesMember_ED711A503CB705394A7D1E8B4FBE2EC7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Furniture and fixtures</link:label>
    <link:label id="lab_us-gaap_FurnitureAndFixturesMember_ED711A503CB705394A7D1E8B4FBE2EC7_label_en-US" xlink:label="lab_us-gaap_FurnitureAndFixturesMember_ED711A503CB705394A7D1E8B4FBE2EC7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Furniture and Fixtures [Member]</link:label>
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    <link:label id="lab_astm_BuildingImprovementsAndLeaseholdImprovementsMember_B8F5064E64EF039E4BD11E8B4FBE9692_terseLabel_en-US" xlink:label="lab_astm_BuildingImprovementsAndLeaseholdImprovementsMember_B8F5064E64EF039E4BD11E8B4FBE9692" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Building improvements and leasehold improvements</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_E7255A3BFD64FE9A167DBA65703EF720" xlink:type="locator" />
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    <link:label id="lab_astm_CellTherapyAndRegenerativeMedicineBusinessMember_486168627E846B09ABB8BA65703E9486_terseLabel_en-US" xlink:label="lab_astm_CellTherapyAndRegenerativeMedicineBusinessMember_486168627E846B09ABB8BA65703E9486" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CTRM Business</link:label>
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    <link:label id="lab_us-gaap_ForeignCurrencyTransactionGainLossRealized_D17F0CA7A9BCAF7413E3FB8A04CD1D5A_label_en-US" xlink:label="lab_us-gaap_ForeignCurrencyTransactionGainLossRealized_D17F0CA7A9BCAF7413E3FB8A04CD1D5A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Currency Transaction Gain (Loss), Realized</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignCurrencyTransactionGainLossRealized_D17F0CA7A9BCAF7413E3FB8A04CD1D5A" xlink:to="lab_us-gaap_ForeignCurrencyTransactionGainLossRealized_D17F0CA7A9BCAF7413E3FB8A04CD1D5A" xlink:type="arc" />
    <link:label id="lab_us-gaap_InvestmentIncomeInterest_827E7B328C199ADA0334FB8A04CD19D0_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentIncomeInterest_827E7B328C199ADA0334FB8A04CD19D0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest income</link:label>
    <link:label id="lab_us-gaap_InvestmentIncomeInterest_827E7B328C199ADA0334FB8A04CD19D0_label_en-US" xlink:label="lab_us-gaap_InvestmentIncomeInterest_827E7B328C199ADA0334FB8A04CD19D0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment Income, Interest</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="loc_us-gaap_InvestmentIncomeInterest_827E7B328C199ADA0334FB8A04CD19D0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentIncomeInterest_827E7B328C199ADA0334FB8A04CD19D0" xlink:to="lab_us-gaap_InvestmentIncomeInterest_827E7B328C199ADA0334FB8A04CD19D0" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestExpense_5F9F4F5E82C9A2930C35FB8A04CDB2AC_negatedLabel_en-US" xlink:label="lab_us-gaap_InterestExpense_5F9F4F5E82C9A2930C35FB8A04CDB2AC" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Interest expense</link:label>
    <link:label id="lab_us-gaap_InterestExpense_5F9F4F5E82C9A2930C35FB8A04CDB2AC_label_en-US" xlink:label="lab_us-gaap_InterestExpense_5F9F4F5E82C9A2930C35FB8A04CDB2AC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_5F9F4F5E82C9A2930C35FB8A04CDB2AC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpense_5F9F4F5E82C9A2930C35FB8A04CDB2AC" xlink:to="lab_us-gaap_InterestExpense_5F9F4F5E82C9A2930C35FB8A04CDB2AC" xlink:type="arc" />
    <link:label id="lab_us-gaap_NonoperatingIncomeExpense_44F460FB1356FA4EA5A2FB8A04CD74A1_totalLabel_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpense_44F460FB1356FA4EA5A2FB8A04CD74A1" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total other income (expense)</link:label>
    <link:label id="lab_us-gaap_NonoperatingIncomeExpense_44F460FB1356FA4EA5A2FB8A04CD74A1_label_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpense_44F460FB1356FA4EA5A2FB8A04CD74A1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nonoperating Income (Expense)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_44F460FB1356FA4EA5A2FB8A04CD74A1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NonoperatingIncomeExpense_44F460FB1356FA4EA5A2FB8A04CD74A1" xlink:to="lab_us-gaap_NonoperatingIncomeExpense_44F460FB1356FA4EA5A2FB8A04CD74A1" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetIncomeLoss_18428E0997D4BC798A63FB8A04CD03C8_totalLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_18428E0997D4BC798A63FB8A04CD03C8" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net loss</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_18428E0997D4BC798A63FB8A04CD03C8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLoss_18428E0997D4BC798A63FB8A04CD03C8" xlink:to="lab_us-gaap_NetIncomeLoss_18428E0997D4BC798A63FB8A04CD03C8" xlink:type="arc" />
    <link:label id="lab_us-gaap_EarningsPerShareBasicAndDiluted_91ABF190AAE316FCB467FB8A04CD1FEC_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasicAndDiluted_91ABF190AAE316FCB467FB8A04CD1FEC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net loss per share attributable to common shareholders (Basic and Diluted) (see note 11)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EarningsPerShareBasicAndDiluted" xlink:label="loc_us-gaap_EarningsPerShareBasicAndDiluted_91ABF190AAE316FCB467FB8A04CD1FEC" xlink:type="locator" />
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    <link:label id="lab_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_15AB90D594123557D87DFB8A04CDC14C_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_15AB90D594123557D87DFB8A04CDC14C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average number of common shares outstanding (Basic and Diluted)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" xlink:label="loc_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_15AB90D594123557D87DFB8A04CDC14C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_15AB90D594123557D87DFB8A04CDC14C" xlink:to="lab_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_15AB90D594123557D87DFB8A04CDC14C" xlink:type="arc" />
    <link:label id="lab_us-gaap_ClassOfWarrantOrRightTable_6C8B34EA98E9BF6F9A3FBA6570345148_terseLabel_en-US" xlink:label="lab_us-gaap_ClassOfWarrantOrRightTable_6C8B34EA98E9BF6F9A3FBA6570345148" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class of Warrant or Right [Table]</link:label>
    <link:label id="lab_us-gaap_ClassOfWarrantOrRightTable_6C8B34EA98E9BF6F9A3FBA6570345148_label_en-US" xlink:label="lab_us-gaap_ClassOfWarrantOrRightTable_6C8B34EA98E9BF6F9A3FBA6570345148" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Warrant or Right [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ClassOfWarrantOrRightTable" xlink:label="loc_us-gaap_ClassOfWarrantOrRightTable_6C8B34EA98E9BF6F9A3FBA6570345148" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ClassOfWarrantOrRightTable_6C8B34EA98E9BF6F9A3FBA6570345148" xlink:to="lab_us-gaap_ClassOfWarrantOrRightTable_6C8B34EA98E9BF6F9A3FBA6570345148" xlink:type="arc" />
    <link:label id="lab_us-gaap_ClassOfWarrantOrRightAxis_E5223F7DD1D14568F787BA65703403DF_terseLabel_en-US" xlink:label="lab_us-gaap_ClassOfWarrantOrRightAxis_E5223F7DD1D14568F787BA65703403DF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class of Warrant or Right [Axis]</link:label>
    <link:label id="lab_us-gaap_ClassOfWarrantOrRightAxis_E5223F7DD1D14568F787BA65703403DF_label_en-US" xlink:label="lab_us-gaap_ClassOfWarrantOrRightAxis_E5223F7DD1D14568F787BA65703403DF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Warrant or Right [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ClassOfWarrantOrRightAxis" xlink:label="loc_us-gaap_ClassOfWarrantOrRightAxis_E5223F7DD1D14568F787BA65703403DF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_E5223F7DD1D14568F787BA65703403DF" xlink:to="lab_us-gaap_ClassOfWarrantOrRightAxis_E5223F7DD1D14568F787BA65703403DF" xlink:type="arc" />
    <link:label id="lab_us-gaap_ClassOfWarrantOrRightDomain_1A96A06967FAA7D51D81BA6570347322_terseLabel_en-US" xlink:label="lab_us-gaap_ClassOfWarrantOrRightDomain_1A96A06967FAA7D51D81BA6570347322" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class of Warrant or Right [Domain]</link:label>
    <link:label id="lab_us-gaap_ClassOfWarrantOrRightDomain_1A96A06967FAA7D51D81BA6570347322_label_en-US" xlink:label="lab_us-gaap_ClassOfWarrantOrRightDomain_1A96A06967FAA7D51D81BA6570347322" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Warrant or Right [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ClassOfWarrantOrRightDomain" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_1A96A06967FAA7D51D81BA6570347322" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_1A96A06967FAA7D51D81BA6570347322" xlink:to="lab_us-gaap_ClassOfWarrantOrRightDomain_1A96A06967FAA7D51D81BA6570347322" xlink:type="arc" />
    <link:label id="lab_astm_ClassAWarrantsIssuedInJanuary2010Member_18B5E6B0F3F613A93DCFBA6570341B97_terseLabel_en-US" xlink:label="lab_astm_ClassAWarrantsIssuedInJanuary2010Member_18B5E6B0F3F613A93DCFBA6570341B97" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">January 2010 Class A Warrants</link:label>
    <link:label id="lab_astm_ClassAWarrantsIssuedInJanuary2010Member_18B5E6B0F3F613A93DCFBA6570341B97_label_en-US" xlink:label="lab_astm_ClassAWarrantsIssuedInJanuary2010Member_18B5E6B0F3F613A93DCFBA6570341B97" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class A Warrants Issued In January2010 [Member]</link:label>
    <link:label id="lab_astm_ClassAWarrantsIssuedInJanuary2010Member_18B5E6B0F3F613A93DCFBA6570341B97_documentation_en-US" xlink:label="lab_astm_ClassAWarrantsIssuedInJanuary2010Member_18B5E6B0F3F613A93DCFBA6570341B97" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the Class A warrants issued by the entity in January 2010.</link:label>
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    <link:label id="lab_astm_WarrantsIssuedInDecember2010Member_A6E8031B7D0BBA501490BA6570347F3D_terseLabel_en-US" xlink:label="lab_astm_WarrantsIssuedInDecember2010Member_A6E8031B7D0BBA501490BA6570347F3D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">December 2010 Warrants</link:label>
    <link:label id="lab_astm_WarrantsIssuedInDecember2010Member_A6E8031B7D0BBA501490BA6570347F3D_label_en-US" xlink:label="lab_astm_WarrantsIssuedInDecember2010Member_A6E8031B7D0BBA501490BA6570347F3D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Warrants Issued In December2010 [Member]</link:label>
    <link:label id="lab_astm_WarrantsIssuedInDecember2010Member_A6E8031B7D0BBA501490BA6570347F3D_documentation_en-US" xlink:label="lab_astm_WarrantsIssuedInDecember2010Member_A6E8031B7D0BBA501490BA6570347F3D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the warrants issued by the entity in December 2010.</link:label>
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    <link:label id="lab_astm_WarrantsIssuedInAugust2013Member_F5FB69346CAC1F23D15FBA657034AE4F_terseLabel_en-US" xlink:label="lab_astm_WarrantsIssuedInAugust2013Member_F5FB69346CAC1F23D15FBA657034AE4F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">August 2013 warrants</link:label>
    <link:label id="lab_astm_WarrantsIssuedInAugust2013Member_F5FB69346CAC1F23D15FBA657034AE4F_label_en-US" xlink:label="lab_astm_WarrantsIssuedInAugust2013Member_F5FB69346CAC1F23D15FBA657034AE4F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Warrants Issued In August2013 [Member]</link:label>
    <link:label id="lab_astm_WarrantsIssuedInAugust2013Member_F5FB69346CAC1F23D15FBA657034AE4F_documentation_en-US" xlink:label="lab_astm_WarrantsIssuedInAugust2013Member_F5FB69346CAC1F23D15FBA657034AE4F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the warrants issued by the entity in August 2013.</link:label>
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    <link:label id="lab_us-gaap_ClassOfWarrantOrRightLineItems_6CB885813598D8B4C4DFBA657034B188_terseLabel_en-US" xlink:label="lab_us-gaap_ClassOfWarrantOrRightLineItems_6CB885813598D8B4C4DFBA657034B188" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock Purchase Warrants</link:label>
    <link:label id="lab_us-gaap_ClassOfWarrantOrRightLineItems_6CB885813598D8B4C4DFBA657034B188_label_en-US" xlink:label="lab_us-gaap_ClassOfWarrantOrRightLineItems_6CB885813598D8B4C4DFBA657034B188" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Warrant or Right [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ClassOfWarrantOrRightLineItems" xlink:label="loc_us-gaap_ClassOfWarrantOrRightLineItems_6CB885813598D8B4C4DFBA657034B188" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_6CB885813598D8B4C4DFBA657034B188" xlink:to="lab_us-gaap_ClassOfWarrantOrRightLineItems_6CB885813598D8B4C4DFBA657034B188" xlink:type="arc" />
    <link:label id="lab_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_2AEA7A623293675AC40BBA657034A2B9_terseLabel_en-US" xlink:label="lab_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_2AEA7A623293675AC40BBA657034A2B9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercise price per share (in dollars per share)</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:label="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_2AEA7A623293675AC40BBA657034A2B9" xlink:type="locator" />
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    <link:label id="lab_us-gaap_SeriesBPreferredStockMember_7C6AB574F9CE5EC65FD3F5CF31F1DDAF_label_en-US" xlink:label="lab_us-gaap_SeriesBPreferredStockMember_7C6AB574F9CE5EC65FD3F5CF31F1DDAF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series B Preferred Stock [Member]</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SeriesBPreferredStockMember_7C6AB574F9CE5EC65FD3F5CF31F1DDAF" xlink:to="lab_us-gaap_SeriesBPreferredStockMember_7C6AB574F9CE5EC65FD3F5CF31F1DDAF" xlink:type="arc" />
    <link:label id="lab_us-gaap_ClassOfStockLineItems_315267CF4B90041CA35EF5CF31F13178_verboseLabel_en-US" xlink:label="lab_us-gaap_ClassOfStockLineItems_315267CF4B90041CA35EF5CF31F13178" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Series B Convertible Preferred Stock</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ClassOfStockLineItems" xlink:label="loc_us-gaap_ClassOfStockLineItems_315267CF4B90041CA35EF5CF31F13178" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ClassOfStockLineItems_315267CF4B90041CA35EF5CF31F13178" xlink:to="lab_us-gaap_ClassOfStockLineItems_315267CF4B90041CA35EF5CF31F13178" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_55826F91190F1DF71CF9F5CF31F12C7C_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_55826F91190F1DF71CF9F5CF31F12C7C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of shares sold</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_55826F91190F1DF71CF9F5CF31F12C7C_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_55826F91190F1DF71CF9F5CF31F12C7C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Shares, New Issues</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_55826F91190F1DF71CF9F5CF31F12C7C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_55826F91190F1DF71CF9F5CF31F12C7C" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_55826F91190F1DF71CF9F5CF31F12C7C" xlink:type="arc" />
    <link:label id="lab_astm_StockIssuedDuringPeriodOfferingPricePerShare_6361CE6E460B6485E93AF5CF31F12BB1_terseLabel_en-US" xlink:label="lab_astm_StockIssuedDuringPeriodOfferingPricePerShare_6361CE6E460B6485E93AF5CF31F12BB1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Offering price per share (in dollars per share)</link:label>
    <link:label id="lab_astm_StockIssuedDuringPeriodOfferingPricePerShare_6361CE6E460B6485E93AF5CF31F12BB1_label_en-US" xlink:label="lab_astm_StockIssuedDuringPeriodOfferingPricePerShare_6361CE6E460B6485E93AF5CF31F12BB1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period Offering Price Per Share</link:label>
    <link:label id="lab_astm_StockIssuedDuringPeriodOfferingPricePerShare_6361CE6E460B6485E93AF5CF31F12BB1_documentation_en-US" xlink:label="lab_astm_StockIssuedDuringPeriodOfferingPricePerShare_6361CE6E460B6485E93AF5CF31F12BB1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the offering price per share of preferred stock issued during the period.</link:label>
    <link:loc xlink:href="astm-20150630.xsd#astm_StockIssuedDuringPeriodOfferingPricePerShare" xlink:label="loc_astm_StockIssuedDuringPeriodOfferingPricePerShare_6361CE6E460B6485E93AF5CF31F12BB1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_astm_StockIssuedDuringPeriodOfferingPricePerShare_6361CE6E460B6485E93AF5CF31F12BB1" xlink:to="lab_astm_StockIssuedDuringPeriodOfferingPricePerShare_6361CE6E460B6485E93AF5CF31F12BB1" xlink:type="arc" />
    <link:label id="lab_astm_ConvertiblePreferredStockConversionPeriod_A3E446E112B2CD4EB1FEF5CF31F16666_terseLabel_en-US" xlink:label="lab_astm_ConvertiblePreferredStockConversionPeriod_A3E446E112B2CD4EB1FEF5CF31F16666" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Conversion period</link:label>
    <link:label id="lab_astm_ConvertiblePreferredStockConversionPeriod_A3E446E112B2CD4EB1FEF5CF31F16666_label_en-US" xlink:label="lab_astm_ConvertiblePreferredStockConversionPeriod_A3E446E112B2CD4EB1FEF5CF31F16666" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Convertible Preferred Stock, Conversion Period</link:label>
    <link:label id="lab_astm_ConvertiblePreferredStockConversionPeriod_A3E446E112B2CD4EB1FEF5CF31F16666_documentation_en-US" xlink:label="lab_astm_ConvertiblePreferredStockConversionPeriod_A3E446E112B2CD4EB1FEF5CF31F16666" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Convertible Preferred Stock, Conversion Period</link:label>
    <link:loc xlink:href="astm-20150630.xsd#astm_ConvertiblePreferredStockConversionPeriod" xlink:label="loc_astm_ConvertiblePreferredStockConversionPeriod_A3E446E112B2CD4EB1FEF5CF31F16666" xlink:type="locator" />
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    <link:label id="lab_astm_PreferredStockConversionPricePerShare_066674B9F2661ADD8388F5CF31F18EEB_terseLabel_en-US" xlink:label="lab_astm_PreferredStockConversionPricePerShare_066674B9F2661ADD8388F5CF31F18EEB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Conversion price per share (in dollars per share)</link:label>
    <link:label id="lab_astm_PreferredStockConversionPricePerShare_066674B9F2661ADD8388F5CF31F18EEB_label_en-US" xlink:label="lab_astm_PreferredStockConversionPricePerShare_066674B9F2661ADD8388F5CF31F18EEB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock Conversion Price Per Share</link:label>
    <link:label id="lab_astm_PreferredStockConversionPricePerShare_066674B9F2661ADD8388F5CF31F18EEB_documentation_en-US" xlink:label="lab_astm_PreferredStockConversionPricePerShare_066674B9F2661ADD8388F5CF31F18EEB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the conversion price per share of convertible preferred stock.</link:label>
    <link:loc xlink:href="astm-20150630.xsd#astm_PreferredStockConversionPricePerShare" xlink:label="loc_astm_PreferredStockConversionPricePerShare_066674B9F2661ADD8388F5CF31F18EEB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_astm_PreferredStockConversionPricePerShare_066674B9F2661ADD8388F5CF31F18EEB" xlink:to="lab_astm_PreferredStockConversionPricePerShare_066674B9F2661ADD8388F5CF31F18EEB" xlink:type="arc" />
    <link:label id="lab_astm_PreferredStockCumulativeDividendRatePercentage_833E9AB58E88B45045F0F5CF31F16D4A_terseLabel_en-US" xlink:label="lab_astm_PreferredStockCumulativeDividendRatePercentage_833E9AB58E88B45045F0F5CF31F16D4A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of cumulative dividend rate</link:label>
    <link:label id="lab_astm_PreferredStockCumulativeDividendRatePercentage_833E9AB58E88B45045F0F5CF31F16D4A_label_en-US" xlink:label="lab_astm_PreferredStockCumulativeDividendRatePercentage_833E9AB58E88B45045F0F5CF31F16D4A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Cumulative Dividend Rate, Percentage</link:label>
    <link:label id="lab_astm_PreferredStockCumulativeDividendRatePercentage_833E9AB58E88B45045F0F5CF31F16D4A_documentation_en-US" xlink:label="lab_astm_PreferredStockCumulativeDividendRatePercentage_833E9AB58E88B45045F0F5CF31F16D4A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the cumulative percentage rate used to calculate dividend payments on preferred stock.</link:label>
    <link:loc xlink:href="astm-20150630.xsd#astm_PreferredStockCumulativeDividendRatePercentage" xlink:label="loc_astm_PreferredStockCumulativeDividendRatePercentage_833E9AB58E88B45045F0F5CF31F16D4A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_astm_PreferredStockCumulativeDividendRatePercentage_833E9AB58E88B45045F0F5CF31F16D4A" xlink:to="lab_astm_PreferredStockCumulativeDividendRatePercentage_833E9AB58E88B45045F0F5CF31F16D4A" xlink:type="arc" />
    <link:label id="lab_astm_AccumulatedUndeclaredDividends_0EAB4CEF4A5DAF5B96F9F5CF31F163B8_terseLabel_en-US" xlink:label="lab_astm_AccumulatedUndeclaredDividends_0EAB4CEF4A5DAF5B96F9F5CF31F163B8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated but undeclared dividends (in shares)</link:label>
    <link:label id="lab_astm_AccumulatedUndeclaredDividends_0EAB4CEF4A5DAF5B96F9F5CF31F163B8_label_en-US" xlink:label="lab_astm_AccumulatedUndeclaredDividends_0EAB4CEF4A5DAF5B96F9F5CF31F163B8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Undeclared Dividends</link:label>
    <link:label id="lab_astm_AccumulatedUndeclaredDividends_0EAB4CEF4A5DAF5B96F9F5CF31F163B8_documentation_en-US" xlink:label="lab_astm_AccumulatedUndeclaredDividends_0EAB4CEF4A5DAF5B96F9F5CF31F163B8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the undistributed shares to be used for payment of undeclared dividends of convertible preferred stock.</link:label>
    <link:loc xlink:href="astm-20150630.xsd#astm_AccumulatedUndeclaredDividends" xlink:label="loc_astm_AccumulatedUndeclaredDividends_0EAB4CEF4A5DAF5B96F9F5CF31F163B8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_astm_AccumulatedUndeclaredDividends_0EAB4CEF4A5DAF5B96F9F5CF31F163B8" xlink:to="lab_astm_AccumulatedUndeclaredDividends_0EAB4CEF4A5DAF5B96F9F5CF31F163B8" xlink:type="arc" />
    <link:label id="lab_astm_PreferredStockPeriodOfClosingOfOfferingAfterWhichSharesAreConvertible_A63972E08E39459C5F30F5CF31F161A4_terseLabel_en-US" xlink:label="lab_astm_PreferredStockPeriodOfClosingOfOfferingAfterWhichSharesAreConvertible_A63972E08E39459C5F30F5CF31F161A4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Period of closing of offering after which shares are convertible</link:label>
    <link:label id="lab_astm_PreferredStockPeriodOfClosingOfOfferingAfterWhichSharesAreConvertible_A63972E08E39459C5F30F5CF31F161A4_label_en-US" xlink:label="lab_astm_PreferredStockPeriodOfClosingOfOfferingAfterWhichSharesAreConvertible_A63972E08E39459C5F30F5CF31F161A4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Period of Closing of Offering after which Shares are Convertible</link:label>
    <link:label id="lab_astm_PreferredStockPeriodOfClosingOfOfferingAfterWhichSharesAreConvertible_A63972E08E39459C5F30F5CF31F161A4_documentation_en-US" xlink:label="lab_astm_PreferredStockPeriodOfClosingOfOfferingAfterWhichSharesAreConvertible_A63972E08E39459C5F30F5CF31F161A4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the period of closing of offering after which shares are convertible.</link:label>
    <link:loc xlink:href="astm-20150630.xsd#astm_PreferredStockPeriodOfClosingOfOfferingAfterWhichSharesAreConvertible" xlink:label="loc_astm_PreferredStockPeriodOfClosingOfOfferingAfterWhichSharesAreConvertible_A63972E08E39459C5F30F5CF31F161A4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_astm_PreferredStockPeriodOfClosingOfOfferingAfterWhichSharesAreConvertible_A63972E08E39459C5F30F5CF31F161A4" xlink:to="lab_astm_PreferredStockPeriodOfClosingOfOfferingAfterWhichSharesAreConvertible_A63972E08E39459C5F30F5CF31F161A4" xlink:type="arc" />
    <link:label id="lab_us-gaap_PreferredStockRedemptionPricePerShare_7A18111226DD685C52D3F5CF31F1E863_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockRedemptionPricePerShare_7A18111226DD685C52D3F5CF31F1E863" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Redemption price (in dollars per share)</link:label>
    <link:label id="lab_us-gaap_PreferredStockRedemptionPricePerShare_7A18111226DD685C52D3F5CF31F1E863_label_en-US" xlink:label="lab_us-gaap_PreferredStockRedemptionPricePerShare_7A18111226DD685C52D3F5CF31F1E863" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Redemption Price Per Share</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PreferredStockRedemptionPricePerShare" xlink:label="loc_us-gaap_PreferredStockRedemptionPricePerShare_7A18111226DD685C52D3F5CF31F1E863" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockRedemptionPricePerShare_7A18111226DD685C52D3F5CF31F1E863" xlink:to="lab_us-gaap_PreferredStockRedemptionPricePerShare_7A18111226DD685C52D3F5CF31F1E863" xlink:type="arc" />
    <link:label id="lab_us-gaap_TemporaryEquityIssuePeriodIncreaseOrDecrease_9C21858F936CA9BF8EFFF5CF31F28446_negatedLabel_en-US" xlink:label="lab_us-gaap_TemporaryEquityIssuePeriodIncreaseOrDecrease_9C21858F936CA9BF8EFFF5CF31F28446" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Reclassification of Series B preferred stock</link:label>
    <link:label id="lab_us-gaap_TemporaryEquityIssuePeriodIncreaseOrDecrease_9C21858F936CA9BF8EFFF5CF31F28446_label_en-US" xlink:label="lab_us-gaap_TemporaryEquityIssuePeriodIncreaseOrDecrease_9C21858F936CA9BF8EFFF5CF31F28446" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary Equity, Carrying Amount, Period Increase (Decrease)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TemporaryEquityIssuePeriodIncreaseOrDecrease" xlink:label="loc_us-gaap_TemporaryEquityIssuePeriodIncreaseOrDecrease_9C21858F936CA9BF8EFFF5CF31F28446" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TemporaryEquityIssuePeriodIncreaseOrDecrease_9C21858F936CA9BF8EFFF5CF31F28446" xlink:to="lab_us-gaap_TemporaryEquityIssuePeriodIncreaseOrDecrease_9C21858F936CA9BF8EFFF5CF31F28446" xlink:type="arc" />
    <link:label id="lab_astm_OperatingLeasesLeasedOfficeSpaceFutureMinimumPaymentsDueAbstract_EFD2DA3FD2DCE184A04BF5CF318C8082_terseLabel_en-US" xlink:label="lab_astm_OperatingLeasesLeasedOfficeSpaceFutureMinimumPaymentsDueAbstract_EFD2DA3FD2DCE184A04BF5CF318C8082" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Leases</link:label>
    <link:label id="lab_astm_OperatingLeasesLeasedOfficeSpaceFutureMinimumPaymentsDueAbstract_EFD2DA3FD2DCE184A04BF5CF318C8082_label_en-US" xlink:label="lab_astm_OperatingLeasesLeasedOfficeSpaceFutureMinimumPaymentsDueAbstract_EFD2DA3FD2DCE184A04BF5CF318C8082" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases Leased Office Space Future Minimum Payments Due [Abstract]</link:label>
    <link:label id="lab_astm_OperatingLeasesLeasedOfficeSpaceFutureMinimumPaymentsDueAbstract_EFD2DA3FD2DCE184A04BF5CF318C8082_documentation_en-US" xlink:label="lab_astm_OperatingLeasesLeasedOfficeSpaceFutureMinimumPaymentsDueAbstract_EFD2DA3FD2DCE184A04BF5CF318C8082" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US" />
    <link:loc xlink:href="astm-20150630.xsd#astm_OperatingLeasesLeasedOfficeSpaceFutureMinimumPaymentsDueAbstract" xlink:label="loc_astm_OperatingLeasesLeasedOfficeSpaceFutureMinimumPaymentsDueAbstract_EFD2DA3FD2DCE184A04BF5CF318C8082" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_astm_OperatingLeasesLeasedOfficeSpaceFutureMinimumPaymentsDueAbstract_EFD2DA3FD2DCE184A04BF5CF318C8082" xlink:to="lab_astm_OperatingLeasesLeasedOfficeSpaceFutureMinimumPaymentsDueAbstract_EFD2DA3FD2DCE184A04BF5CF318C8082" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_1CFDD781A4FD50795287F5CF318DFEAB_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_1CFDD781A4FD50795287F5CF318DFEAB" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_1CFDD781A4FD50795287F5CF318DFEAB_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_1CFDD781A4FD50795287F5CF318DFEAB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Due</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_1CFDD781A4FD50795287F5CF318DFEAB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_1CFDD781A4FD50795287F5CF318DFEAB" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_1CFDD781A4FD50795287F5CF318DFEAB" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear_09EDA702883F891DC088F5CF318DE475_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear_09EDA702883F891DC088F5CF318DE475" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2015</link:label>
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    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_E1CE754B8427A2A95832F5CF318DDA1C_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_E1CE754B8427A2A95832F5CF318DDA1C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2016</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_E1CE754B8427A2A95832F5CF318DDA1C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_9EE420EC079CF97319A2F5CF318D4D86_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_9EE420EC079CF97319A2F5CF318D4D86" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2017</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_9EE420EC079CF97319A2F5CF318D4D86" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_9EE420EC079CF97319A2F5CF318D4D86" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_9EE420EC079CF97319A2F5CF318D4D86" xlink:type="arc" />
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    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_12262A149DA6D7D79E88F5CF318DC365_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_12262A149DA6D7D79E88F5CF318DC365" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due in Four Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_12262A149DA6D7D79E88F5CF318DC365" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_12262A149DA6D7D79E88F5CF318DC365" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_12262A149DA6D7D79E88F5CF318DC365" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_35C0D9531DE66D01ED69F5CF318D8FC1_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_35C0D9531DE66D01ED69F5CF318D8FC1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">More than five years</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_35C0D9531DE66D01ED69F5CF318D8FC1_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_35C0D9531DE66D01ED69F5CF318D8FC1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments, Due Thereafter</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_35C0D9531DE66D01ED69F5CF318D8FC1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_35C0D9531DE66D01ED69F5CF318D8FC1" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_35C0D9531DE66D01ED69F5CF318D8FC1" xlink:type="arc" />
    <link:label id="lab_astm_OperatingLeasesSalesForceLeasedAutoFleetFutureMinimumPaymentsDueAbstract_E47408DA1517766EE3AEF5CF318D20D7_terseLabel_en-US" xlink:label="lab_astm_OperatingLeasesSalesForceLeasedAutoFleetFutureMinimumPaymentsDueAbstract_E47408DA1517766EE3AEF5CF318D20D7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital Leases</link:label>
    <link:label id="lab_astm_OperatingLeasesSalesForceLeasedAutoFleetFutureMinimumPaymentsDueAbstract_E47408DA1517766EE3AEF5CF318D20D7_label_en-US" xlink:label="lab_astm_OperatingLeasesSalesForceLeasedAutoFleetFutureMinimumPaymentsDueAbstract_E47408DA1517766EE3AEF5CF318D20D7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases Sales Force Leased Auto Fleet Future Minimum Payments Due [Abstract]</link:label>
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    <link:loc xlink:href="astm-20150630.xsd#astm_OperatingLeasesSalesForceLeasedAutoFleetFutureMinimumPaymentsDueAbstract" xlink:label="loc_astm_OperatingLeasesSalesForceLeasedAutoFleetFutureMinimumPaymentsDueAbstract_E47408DA1517766EE3AEF5CF318D20D7" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_743B2E5BD84A02DC6AB6F5CF318DC6BB_totalLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_743B2E5BD84A02DC6AB6F5CF318DC6BB" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_743B2E5BD84A02DC6AB6F5CF318DC6BB_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_743B2E5BD84A02DC6AB6F5CF318DC6BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases, Future Minimum Payments Due</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_743B2E5BD84A02DC6AB6F5CF318DC6BB" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear_1779F3E5317CD1084700F5CF318DDA0E_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear_1779F3E5317CD1084700F5CF318DDA0E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2015</link:label>
    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear_1779F3E5317CD1084700F5CF318DDA0E_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear_1779F3E5317CD1084700F5CF318DDA0E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases, Future Minimum Payments, Remainder of Fiscal Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear_1779F3E5317CD1084700F5CF318DDA0E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear_1779F3E5317CD1084700F5CF318DDA0E" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear_1779F3E5317CD1084700F5CF318DDA0E" xlink:type="arc" />
    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_B2A1E8D5A494671D2538F5CF318DE21D_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_B2A1E8D5A494671D2538F5CF318DE21D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2016</link:label>
    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_B2A1E8D5A494671D2538F5CF318DE21D_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_B2A1E8D5A494671D2538F5CF318DE21D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases, Future Minimum Payments Due in Two Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_B2A1E8D5A494671D2538F5CF318DE21D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_B2A1E8D5A494671D2538F5CF318DE21D" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_B2A1E8D5A494671D2538F5CF318DE21D" xlink:type="arc" />
    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_AEC7D4526D72A131025DF5CF318D1980_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_AEC7D4526D72A131025DF5CF318D1980" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2017</link:label>
    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_AEC7D4526D72A131025DF5CF318D1980_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_AEC7D4526D72A131025DF5CF318D1980" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases, Future Minimum Payments Due in Three Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_AEC7D4526D72A131025DF5CF318D1980" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_777AB65484661C2FC036F5CF318DA4A5_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_777AB65484661C2FC036F5CF318DA4A5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases, Future Minimum Payments Due in Four Years</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_777AB65484661C2FC036F5CF318DA4A5" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_777AB65484661C2FC036F5CF318DA4A5" xlink:type="arc" />
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    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_739F8D5D8DF7B33BB1AFF5CF318DC407_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_739F8D5D8DF7B33BB1AFF5CF318DC407" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases, Future Minimum Payments Due Thereafter</link:label>
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    <link:label id="lab_us-gaap_LiabilitiesCurrent_A450DE03D48280AC6739F068F88669DD_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent_A450DE03D48280AC6739F068F88669DD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_A450DE03D48280AC6739F068F88669DD" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LongTermDebtNoncurrent_9F868FB7EC0CC60544FFF068F886C393_label_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_9F868FB7EC0CC60544FFF068F886C393" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Excluding Current Maturities</link:label>
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