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      <TotalCompGreaterThan150KInd>false</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>false</CompensationFromOtherSrcsInd>
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          <USAddress>
            <AddressLine1Txt>500 CUMMINGS CTR SUITE 4400</AddressLine1Txt>
            <CityNm>BEVERLY</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>01915</ZIPCd>
          </USAddress>
        </ContractorAddress>
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      <CntrctRcvdGreaterThan100KCnt>1</CntrctRcvdGreaterThan100KCnt>
      <AllOtherContributionsAmt>139285</AllOtherContributionsAmt>
      <TotalContributionsAmt>139285</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>ANNUAL SCIENTIFIC CONFERENCE</Desc>
        <BusinessCd>611430</BusinessCd>
        <TotalRevenueColumnAmt>266090</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>266090</RelatedOrExemptFuncIncomeAmt>
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      <ProgramServiceRevenueGrp>
        <Desc>MEMBERSHIP DUES</Desc>
        <BusinessCd>541900</BusinessCd>
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        <RelatedOrExemptFuncIncomeAmt>46800</RelatedOrExemptFuncIncomeAmt>
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        <Desc>MEMBERSHIP LISTS</Desc>
        <BusinessCd>900099</BusinessCd>
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        <UnrelatedBusinessRevenueAmt>500</UnrelatedBusinessRevenueAmt>
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      <OtherRevenueTotalAmt>500</OtherRevenueTotalAmt>
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        <TotalRevenueColumnAmt>452675</TotalRevenueColumnAmt>
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        <UnrelatedBusinessRevenueAmt>500</UnrelatedBusinessRevenueAmt>
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      <FeesForServicesManagementGrp>
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        <ProgramServicesAmt>30488</ProgramServicesAmt>
        <ManagementAndGeneralAmt>72000</ManagementAndGeneralAmt>
      </FeesForServicesManagementGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>7400</TotalAmt>
        <ManagementAndGeneralAmt>7400</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>8894</TotalAmt>
        <ManagementAndGeneralAmt>8894</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>273324</TotalAmt>
        <ProgramServicesAmt>273324</ProgramServicesAmt>
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      <InsuranceGrp>
        <TotalAmt>758</TotalAmt>
        <ManagementAndGeneralAmt>758</ManagementAndGeneralAmt>
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      <OtherExpensesGrp>
        <Desc>PUBLICATIONS</Desc>
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        <ProgramServicesAmt>33930</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>OFFICERS AND COMMITTEES</Desc>
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        <ProgramServicesAmt>29416</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>AVIATOR PROJECT</Desc>
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        <ProgramServicesAmt>12255</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>DEVELOPMENT</Desc>
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        <FundraisingAmt>2633</FundraisingAmt>
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        <ManagementAndGeneralAmt>649</ManagementAndGeneralAmt>
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      <TotalFunctionalExpensesGrp>
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        <ProgramServicesAmt>379413</ProgramServicesAmt>
        <ManagementAndGeneralAmt>89701</ManagementAndGeneralAmt>
        <FundraisingAmt>2633</FundraisingAmt>
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      <CashNonInterestBearingGrp>
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      <AccountsPayableAccrExpnssGrp>
        <EOYAmt>28930</EOYAmt>
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        <BOYAmt>11563</BOYAmt>
        <EOYAmt>2588</EOYAmt>
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      <TotalLiabilitiesGrp>
        <BOYAmt>11563</BOYAmt>
        <EOYAmt>31518</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>74827</BOYAmt>
        <EOYAmt>63651</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>161037</BOYAmt>
        <EOYAmt>153141</EOYAmt>
      </DonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>235864</BOYAmt>
        <EOYAmt>216792</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>247427</BOYAmt>
        <EOYAmt>248310</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>-19072</ReconcilationRevenueExpnssAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>true</AccountantCompileOrReviewInd>
      <AcctCompileOrReviewBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </AcctCompileOrReviewBasisGrp>
      <FSAuditedInd>false</FSAuditedInd>
      <AuditCommitteeInd>false</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
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    <IRS990ScheduleA documentId="RetDoc5">
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      <GiftsGrantsContrisRcvd509Grp>
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        <CurrentTaxYearMinus3YearsAmt>378460</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>153439</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>444014</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>139285</CurrentTaxYearAmt>
        <TotalAmt>1461155</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
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        <CurrentTaxYearMinus3YearsAmt>376616</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>313744</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>302503</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>312890</CurrentTaxYearAmt>
        <TotalAmt>1600563</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <Total509Grp>
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        <CurrentTaxYearMinus3YearsAmt>755076</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>467183</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>746517</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>452175</CurrentTaxYearAmt>
        <TotalAmt>3061718</TotalAmt>
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      <SubstantialContributorsAmtGrp>
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        <CurrentTaxYearMinus2YearsAmt>11172</CurrentTaxYearMinus2YearsAmt>
        <TotalAmt>17390</TotalAmt>
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      <SubstAndDsqlfyPrsnsTotGrp>
        <CurrentTaxYearMinus4YearsAmt>6218</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>11172</CurrentTaxYearMinus2YearsAmt>
        <TotalAmt>17390</TotalAmt>
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      <GrossInvestmentIncome509Grp>
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        <TotalAmt>7</TotalAmt>
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      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>7</CurrentTaxYearMinus4YearsAmt>
        <TotalAmt>7</TotalAmt>
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      <TotalSupportCalendarYearGrp>
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        <CurrentTaxYearMinus3YearsAmt>755076</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>467183</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>746517</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>452175</CurrentTaxYearAmt>
        <TotalAmt>3061725</TotalAmt>
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      <PublicSupportPY509Pct>0.99430</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.00000</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.00000</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleD documentId="RetDoc3">
      <FootnoteTextInd>X</FootnoteTextInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PAGE 3, PART X</FormAndLineReferenceDesc>
        <ExplanationTxt>ASC 740-10, "INCOME TAXES," REQUIRES THE SOCIETY TO EVALUATE AND DISCLOSE TAX POSITIONS THAT COULD HAVE AN EFFECT ON THE SOCIETY'S FINANCIAL STATEMENTS. THE SOCIETY REPORTS ITS ACTIVITIES TO THE INTERNAL REVENUE SERVICE, COMMONWEALTH OF MASSACHUSETTS, AND NEW YORK STATE ON AN ANNUAL BASIS. THESE INFORMATIONAL RETURNS ARE GENERALLY SUBJECT TO AUDIT AND REVIEW BY THE GOVERNMENTAL AGENCIES FOR A PERIOD OF THREE YEARS AFTER FILING. SUBSTANTIALLY ALL OF THE SOCIETY'S INCOME, EXPENDITURES AND ACTIVITIES RELATE TO ITS EXEMPT PURPOSE, THEREFORE, MANAGEMENT HAS DETERMINED THAT THE SOCIETY IS NOT SUBJECT TO UNRELATED BUSINESS INCOME TAXES AND WILL CONTINUE TO QUALIFY AS A TAX-EXEMPT NOT-FOR-PROFIT ENTITY.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleF documentId="RetDoc6">
      <GrantRecordsMaintainedInd>true</GrantRecordsMaintainedInd>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE (INCLUDING ICELAND &amp; GREENLAND) -</RegionTxt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>ANNUAL MEETING - TO</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>203609</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalSpentAmt>203609</SubtotalSpentAmt>
      <TotalSpentAmt>203609</TotalSpentAmt>
      <TransferToForeignCorpInd>false</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>false</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>false</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>false</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>false</ForeignPartnershipInd>
      <BoycottCountriesInd>false</BoycottCountriesInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE F, PAGE 1, PART I, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>EUROPE (INCLUDING ICELAND &amp; GREENLAND) - 203,609 0</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE F, PAGE 5, PART V</FormAndLineReferenceDesc>
        <ExplanationTxt>PART I, LINE 3, COLUMN (E): (A) REGION: EUROPE (INCLUDING ICELAND &amp; GREENLAND) - ALBANIA, AUSTRIA, BELGIUM (E) SPECIFIC TYPES OF SERVICES IN REGION: ANNUAL MEETING- TO PROVIDE A FORUM FOR DEVELOPMENT OF THE MEDICAL SPECIALTY OF HEART VALVE DISEASE.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleF>
    <IRS990ScheduleO documentId="RetDoc4">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 2, PART III, LINE 4D</FormAndLineReferenceDesc>
        <ExplanationTxt>AVIATOR PROJECT - DEVELOPMENT OF A HEART VALVE SURGICAL REGISTRY FOR THE SCIENTIFIC EVALUATION OF HEART VALVE SURGICAL OUTCOMES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PROFESSIONAL RELATIONS AND RESEARCH INSTITUTE (PRRI) OF BEVERLY, MASSACHUSETTS, MAINTAINS THE BOOKS AND RECORDS OF THE ASSOCIATION AND PERFORMS OTHER RELATED MANAGERIAL AND ADMINISTRATIVE FUNCTIONS FOR WHICH IT IS COMPENSATED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HAS THREE CLASSES OF MEMBERS: ACTIVE, ASSOCIATE, AND CANDIDATE. ACTIVE MEMBERS HAVE VOTING RIGHTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>ACTIVE MEMBERS HAVE THE RIGHT TO ELECT OFFICERS AND MEMBERS OF THE BOARD OF DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>ACTIVE MEMBERS HAVE THE RIGHT TO VOTE ON MATTERS ALLOWED UNDER THE LAW.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>990 IS REVIEWED BY THE ADMINISTRATIVE STAFF OF THE MANAGEMENT COMPANY (PRRI) AND IS THEN PROVIDED TO THE TREASURER FOR FINAL REVIEW BEFORE IT IS FILED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CONFLICT OF INTEREST POLICY IS DISTRIBUTED, DISCUSSED AND UPDATED AT EACH COUNCIL MEETING IN ORDER FOR THE ORGANIZATION TO MONITOR AND ENFORCE COMPLIANCE WITH THE POLICY BY ALL OFFICERS AND DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS ARE AVAILABLE TO THE PUBLIC UPON REQUEST AT THE ADMINISTRATIVE OFFICES OF THE ORGANIZATION'S MANAGEMENT COMPANY (PRRI).</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>