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      <Form990PartVIISectionAGrp>
        <PersonNm>MEGHAN WHITBECK</PersonNm>
        <TitleTxt>MARKETING &amp; MEMBER ENGAGEMENT DIR</TitleTxt>
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        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>23143</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KRISTIN HOWARD</PersonNm>
        <TitleTxt>MARKETING &amp; EDUCATION DIRECTOR</TitleTxt>
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        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>145085</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>24869</OtherCompensationAmt>
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      <TotalReportableCompFromOrgAmt>1265524</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>242694</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>9</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>WOLTERS KLUWER HEALTH INC</BusinessNameLine1Txt>
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        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>16705 COLLECTION CENTER DR</AddressLine1Txt>
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          </USAddress>
        </ContractorAddress>
        <ServicesDesc>A&amp;A SUBSCRIPTION</ServicesDesc>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>RSM US LLP</BusinessNameLine1Txt>
          </BusinessName>
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        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>5155 PAYSPHERE CIRCLE</AddressLine1Txt>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>J&amp;J EDITORIAL LLC</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
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          </USAddress>
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        <ServicesDesc>EDITORIAL SERVICES</ServicesDesc>
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      <CntrctRcvdGreaterThan100KCnt>3</CntrctRcvdGreaterThan100KCnt>
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      <ProgramServiceRevenueGrp>
        <Desc>JOURNAL INCOME</Desc>
        <BusinessCd>541800</BusinessCd>
        <TotalRevenueColumnAmt>3407874</TotalRevenueColumnAmt>
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      <ProgramServiceRevenueGrp>
        <Desc>MEMBERSHIP DUES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>872959</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>872959</RelatedOrExemptFuncIncomeAmt>
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      <ProgramServiceRevenueGrp>
        <Desc>OA REVENUE</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>125692</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>125692</RelatedOrExemptFuncIncomeAmt>
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      <ProgramServiceRevenueGrp>
        <Desc>ANNUAL MEETING</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>103820</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>103820</RelatedOrExemptFuncIncomeAmt>
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      <ProgramServiceRevenueGrp>
        <Desc>MGMT FEES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>95000</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>95000</RelatedOrExemptFuncIncomeAmt>
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      <TotalProgramServiceRevenueAmt>4605345</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>663910</TotalRevenueColumnAmt>
        <ExclusionAmt>663910</ExclusionAmt>
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      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>3689049</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>1699056</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>1989993</SecuritiesAmt>
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      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>1989993</TotalRevenueColumnAmt>
        <ExclusionAmt>1989993</ExclusionAmt>
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      <OtherRevenueMiscGrp>
        <Desc>MISCELLANEOUS REVENUE</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>74636</TotalRevenueColumnAmt>
        <ExclusionAmt>74636</ExclusionAmt>
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      <OtherRevenueTotalAmt>74636</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>7595072</TotalRevenueColumnAmt>
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        <UnrelatedBusinessRevenueAmt>178408</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>2728539</ExclusionAmt>
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      <GrantsToDomesticOrgsGrp>
        <TotalAmt>1100000</TotalAmt>
        <ProgramServicesAmt>1100000</ProgramServicesAmt>
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      <ForeignGrantsGrp>
        <TotalAmt>350000</TotalAmt>
        <ProgramServicesAmt>350000</ProgramServicesAmt>
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      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>434690</TotalAmt>
        <ManagementAndGeneralAmt>434690</ManagementAndGeneralAmt>
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        <TotalAmt>1121091</TotalAmt>
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      <PensionPlanContributionsGrp>
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      <OtherEmployeeBenefitsGrp>
        <TotalAmt>160144</TotalAmt>
        <ProgramServicesAmt>66022</ProgramServicesAmt>
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      <PayrollTaxesGrp>
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        <ProgramServicesAmt>39594</ProgramServicesAmt>
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        <ProgramServicesAmt>7926</ProgramServicesAmt>
        <ManagementAndGeneralAmt>4335</ManagementAndGeneralAmt>
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      <FeesForServicesAccountingGrp>
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        <ProgramServicesAmt>6232</ProgramServicesAmt>
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      <FeesForSrvcInvstMgmntFeesGrp>
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        <ManagementAndGeneralAmt>37414</ManagementAndGeneralAmt>
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      <FeesForServicesOtherGrp>
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      <AdvertisingGrp>
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        <ProgramServicesAmt>57547</ProgramServicesAmt>
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      <OfficeExpensesGrp>
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        <ProgramServicesAmt>13012</ProgramServicesAmt>
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      <InformationTechnologyGrp>
        <TotalAmt>187581</TotalAmt>
        <ProgramServicesAmt>118787</ProgramServicesAmt>
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      <OccupancyGrp>
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        <ProgramServicesAmt>5097</ProgramServicesAmt>
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      <TravelGrp>
        <TotalAmt>24264</TotalAmt>
        <ProgramServicesAmt>10963</ProgramServicesAmt>
        <ManagementAndGeneralAmt>13301</ManagementAndGeneralAmt>
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      <ConferencesMeetingsGrp>
        <TotalAmt>40588</TotalAmt>
        <ProgramServicesAmt>40588</ProgramServicesAmt>
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      <InterestGrp>
        <TotalAmt>4983</TotalAmt>
        <ManagementAndGeneralAmt>4983</ManagementAndGeneralAmt>
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        <TotalAmt>7992</TotalAmt>
        <ProgramServicesAmt>3158</ProgramServicesAmt>
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      <InsuranceGrp>
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        <ProgramServicesAmt>20091</ProgramServicesAmt>
        <ManagementAndGeneralAmt>13509</ManagementAndGeneralAmt>
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      <OtherExpensesGrp>
        <Desc>UNRELATED BUSINESS INCO</Desc>
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        <ProgramServicesAmt>43045</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>HONORARIA</Desc>
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        <ProgramServicesAmt>642039</ProgramServicesAmt>
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      <OtherExpensesGrp>
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        <ProgramServicesAmt>410641</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>SUBSCRIPTION PMTS TO PU</Desc>
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        <ProgramServicesAmt>298474</ProgramServicesAmt>
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      <AllOtherExpensesGrp>
        <TotalAmt>128876</TotalAmt>
        <ProgramServicesAmt>104511</ProgramServicesAmt>
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      <TotalFunctionalExpensesGrp>
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        <ManagementAndGeneralAmt>1816238</ManagementAndGeneralAmt>
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      <SavingsAndTempCashInvstGrp>
        <BOYAmt>2049154</BOYAmt>
        <EOYAmt>3149509</EOYAmt>
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      <AccountsReceivableGrp>
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        <EOYAmt>388927</EOYAmt>
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      <PrepaidExpensesDefrdChargesGrp>
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        <EOYAmt>9085</EOYAmt>
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        <EOYAmt>62299</EOYAmt>
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      <TotalAssetsGrp>
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        <EOYAmt>3998855</EOYAmt>
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      <TotalLiabilitiesGrp>
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        <EOYAmt>6783111</EOYAmt>
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      <DonorRestrictionNetAssetsGrp>
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        <EOYAmt>278871</EOYAmt>
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      <TotLiabNetAssetsFundBalanceGrp>
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        <EOYAmt>39176119</EOYAmt>
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      <InfoInScheduleOPartXIInd>X</InfoInScheduleOPartXIInd>
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      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <ConsolidatedBasisFinclStmtInd>X</ConsolidatedBasisFinclStmtInd>
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      <OtherIncome509Grp>
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      <InvestmentIncomePYPct>0.09630</InvestmentIncomePYPct>
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      <Form990ScheduleAPartVIGrp>
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      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>18607</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>12630</DepreciationAmt>
        <BookValueAmt>5977</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>54062</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>52746</DepreciationAmt>
        <BookValueAmt>1316</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>9085</TotalBookValueLandBuildingsAmt>
      <OtherAssetsOrgGrp>
        <Desc>SECURITY DEPOSITS</Desc>
        <BookValueAmt>12628</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>INVESTMENT IN SSI</Desc>
        <BookValueAmt>2007376</BookValueAmt>
      </OtherAssetsOrgGrp>
      <TotalBookValueOtherAssetsAmt>2020004</TotalBookValueOtherAssetsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>EDITORIAL OFFICE REIMBURSEMENT</Desc>
        <Amt>1332531</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>GUARANTEED ROYALTY</Desc>
        <Amt>2150000</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>LINE OF CREDIT</Desc>
        <Amt>500861</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>DEFERRED RENT</Desc>
        <Amt>15463</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>3998855</TotalLiabilityAmt>
    </IRS990ScheduleD>
    <IRS990ScheduleF documentId="RetDoc1040500001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>NORTH AMERICA</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>HONORARIA &amp; TRAVEL</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>27300</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE (INCLUDING ICELAND &amp; GREENLAND)</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>HONORARIA &amp; TRAVEL</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>54100</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EAST ASIA AND THE PACIFIC</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>HONORARIA &amp; TRAVEL</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>2500</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>SOUTH AMERICA</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>HONORARIA &amp; TRAVEL</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>1050</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>NORTH AMERICA</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>GRANTMAKING</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>350000</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalOfficesCnt>0</SubtotalOfficesCnt>
      <SubtotalEmployeesCnt>0</SubtotalEmployeesCnt>
      <ContinuationTotalOfficeCnt>0</ContinuationTotalOfficeCnt>
      <ContinuationTotalEmployeeCnt>0</ContinuationTotalEmployeeCnt>
      <TotalOfficeCnt>0</TotalOfficeCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <SubtotalSpentAmt>434950</SubtotalSpentAmt>
      <ContinuationSpentAmt>0</ContinuationSpentAmt>
      <TotalSpentAmt>434950</TotalSpentAmt>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>NORTH AMERICA</RegionTxt>
        <PurposeOfGrantTxt>GENETIC RISK PREDICTION OF NEW ATRIAL FIBRILLATION AFTER CARDIAC SURGERY.</PurposeOfGrantTxt>
        <CashGrantAmt>175000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>NORTH AMERICA</RegionTxt>
        <PurposeOfGrantTxt>USING ANESTHESIA TO PREDICT RECOVERY FROM DISORDERS OF CONSCIOUSNESS.</PurposeOfGrantTxt>
        <CashGrantAmt>175000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsToOrgOutsideUSGrp>
      <Total501c3OrgCnt>0</Total501c3OrgCnt>
      <TotalOtherOrgCnt>2</TotalOtherOrgCnt>
      <TransferToForeignCorpInd>0</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>0</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>0</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>0</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>0</ForeignPartnershipInd>
      <BoycottCountriesInd>0</BoycottCountriesInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE RECIPIENT IS REQUIRED TO SUBMIT ANNUAL PERFORMANCE REPORTS. THE REPORTS ARE REVIEWED AND IF THEY ARE NOT ACCEPTABLE, THE AWARD IS DISCONTINUED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III ACCOUNTING METHOD:</FormAndLineReferenceDesc>
      </SupplementalInformationDetail>
    </IRS990ScheduleF>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>EMORY UNIVERSITY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1599 CLIFTON ROAD NE</AddressLine1Txt>
          <CityNm>ATLANTA</CityNm>
          <StateAbbreviationCd>GA</StateAbbreviationCd>
          <ZIPCd>30322</ZIPCd>
        </USAddress>
        <RecipientEIN>580566256</RecipientEIN>
        <IRCSectionDesc>501(C)3</IRCSectionDesc>
        <CashGrantAmt>175000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>MENTORED RESEARCH AWARD</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>WASHINGTON UNIVERSITY IN ST LOUIS</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>700 ROSEDALE AVENUE CAMPUS BOX 1034</AddressLine1Txt>
          <CityNm>ST LOUIS</CityNm>
          <StateAbbreviationCd>MO</StateAbbreviationCd>
          <ZIPCd>63112</ZIPCd>
        </USAddress>
        <RecipientEIN>430653611</RecipientEIN>
        <IRCSectionDesc>501(C)3</IRCSectionDesc>
        <CashGrantAmt>175000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>MENTORED RESEARCH AWARD</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>WASHINGTON UNIVERSITY IN ST LOUIS</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>700 ROSEDALE AVENUE CAMPUS BOX 1034</AddressLine1Txt>
          <CityNm>ST LOUIS</CityNm>
          <StateAbbreviationCd>MO</StateAbbreviationCd>
          <ZIPCd>63112</ZIPCd>
        </USAddress>
        <RecipientEIN>430653611</RecipientEIN>
        <IRCSectionDesc>501(C)3</IRCSectionDesc>
        <CashGrantAmt>750000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>FRONTIERS IN ANESTHESIA RESEARCH AWARD</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>2</Total501c3OrgCnt>
      <TotalOtherOrgCnt>0</TotalOtherOrgCnt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>AWARD FUNDS WILL BE ALLOCATED IN EQUAL INSTALLMENTS (2 FOR IMRA, 3 FOR FARA). CONSIDERATION WILL BE GIVEN TO REQUESTS FOR UNEQUAL PAYMENT INSTALLMENTS. - THE INSTALLMENT PAYMENT(S) IS CONTINGENT UPON RECEIPT OF A SATISFACTORY PROGRESS REPORT SUBMITTED TO IARS. - A FINAL PROGRESS REPORT AND BUDGET RECONCILIATION MUST BE SUBMITTED TO IARS AT THE CONCLUSION OF THE PROJECT. - ANY AND ALL PUBLICATIONS RESULTING FROM RESEARCH THAT HAS UTILIZED IARS FUNDS MUST INDICATE THE FOLLOWING: "SUPPORTED (OR 'SUPPORTED IN PART') BY A GRANT FROM THE INTERNATIONAL ANESTHESIA RESEARCH SOCIETY."</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <FirstClassOrCharterTravelInd>X</FirstClassOrCharterTravelInd>
      <TravelForCompanionsInd>X</TravelForCompanionsInd>
      <WrittenPolicyRefTAndEExpnssInd>1</WrittenPolicyRefTAndEExpnssInd>
      <SubstantiationRequiredInd>1</SubstantiationRequiredInd>
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>1</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>THOMAS COOPER</PersonNm>
        <TitleTxt>EXECUTIVE DIRECTOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>313372</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>19924</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>101394</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>31132</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>38549</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>504371</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JASON POINTE</PersonNm>
        <TitleTxt>PUBLISHING DIRECTOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>209011</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>207</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>23138</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>36102</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>268458</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JULIE BRADARIC</PersonNm>
        <TitleTxt>OPERATIONS DIRECTOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>159712</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>18119</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>16556</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>18949</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>213336</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MEGHAN WHITBECK</PersonNm>
        <TitleTxt>MARKETING &amp; MEMBER ENGAGEMENT DIR</TitleTxt>
        <BaseCompensationFilingOrgAmt>143750</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>10000</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>90</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>14375</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>8768</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>176983</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>KRISTIN HOWARD</PersonNm>
        <TitleTxt>MARKETING &amp; EDUCATION DIRECTOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>135004</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>10000</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>81</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>14000</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>10869</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>169954</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>PATRICIA BRAZIL</PersonNm>
        <TitleTxt>PROGRAM DIRECTOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>110530</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>12000</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>330</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>11125</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>19131</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>153116</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>IARS ALLOWS TRUSTEES TO FLY ONE CLASS ABOVE ECONOMY FOR FLIGHTS OVER 5 HOURS IN LENGTH. THEY ALSO COVER THE LOWEST UPGRADEABLE AIRFARE FOR SPOUSE TRAVEL SPOUSE AIRFARE: NONE IN 2021</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 7</FormAndLineReferenceDesc>
        <ExplanationTxt>BONUSES MAY BE PAID FOR PERFORMANCE OR AS "CATCH-UP" COMPENSATION IN LIEU OF PAST SALARY INCREASES, BASED ON MARKET REVIEW OF SALARY SURVEYS. SUCH PAYMENTS ARE MADE AT THE DISCRETION OF THE BOARD OF TRUSTEES OR EXECUTIVE DIRECTOR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>IARS CATEGORIES OF MEMBERS: FULL MEMBER, LIMITED PLUS, LIMITED, FELLOW, IN-TRAINING MEMBER, MEDICAL STUDENT AND RETIRED MEMBER.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION RETAINS THE SERVICES OF AN INDEPENDENT CPA FIRM TO PREPARE THE ORGANIZATION'S FORM 990. MANAGEMENT REVIEWS THE COMPLETED FORM 990 AND PROVIDES A COPY TO THE BOARD FOR REVIEW BEFORE IT IS FILED WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>TRUSTEES, EMPLOYEES, AND JOURNAL EDITORS ARE EXPECTED TO DISCLOSE CONFLICTS OF INTEREST OR POTENTIAL CONFLICTS OF INTEREST; WHEN DISCLOSED OR OTHERWISE DISCOVERED, AN OFFICER OF THE CORPORATION DISCUSSES THE CONFLICT WITH THE INDIVIDUAL TO REACH A RESOLUTION; CONFLICTED BOARD TRUSTEES ABSTAIN FROM VOTING ON RELATED ISSUES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>EXECUTIVE DIRECTOR COMPENSATION IS DETERMINED BY THE EXECUTIVE COMMITTEE ON AN ANNUAL BASIS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS ARE MADE AVAILABLE TO THE PUBLIC UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>PRIOR YEAR GRANT REFUNDS 40,578.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE AUDIT OVERSIGHT PROCESS HAS NOT CHANGED FROM THE PRIOR YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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      <IdDisregardedEntitiesGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>SAFERANESTHESIA LLC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>90 NEW MONTGOMERY STREET SUITE 412</AddressLine1Txt>
          <CityNm>SAN FRANCISCO</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94105</ZIPCd>
        </USAddress>
        <EIN>263900757</EIN>
        <PrimaryActivitiesTxt>PROMOTE ANESTHESIA SAFETY FOR CHILDREN</PrimaryActivitiesTxt>
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        <TotalIncomeAmt>242836</TotalIncomeAmt>
        <EndOfYearAssetsAmt>278871</EndOfYearAssetsAmt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>INTERNATIONAL ANESTHESIA RESEARCH SOCIETY</BusinessNameLine1Txt>
        </DirectControllingEntityName>
      </IdDisregardedEntitiesGrp>
      <IdDisregardedEntitiesGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>OPENANESTHESIA LLC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>90 NEW MONTGOMERY STREET SUITE 412</AddressLine1Txt>
          <CityNm>SAN FRANCISCO</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94105</ZIPCd>
        </USAddress>
        <EIN>471945729</EIN>
        <PrimaryActivitiesTxt>COMPREHENSIVE ONLINE EDU RESOURCE FOR ANESTHESIOLOGY RESIDENTS/PHYSICIANS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CA</LegalDomicileStateCd>
        <TotalIncomeAmt>125691</TotalIncomeAmt>
        <EndOfYearAssetsAmt>46118</EndOfYearAssetsAmt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>INTERNATIONAL ANESTHESIA RESEARCH SOCIETY</BusinessNameLine1Txt>
        </DirectControllingEntityName>
      </IdDisregardedEntitiesGrp>
    </IRS990ScheduleR>
  </ReturnData>
</Return>
