Kidney TransplantationTissue and Organ ProcurementTissue DonorsLiving DonorsTransplantsGraft SurvivalWaiting ListsGraft RejectionLiver TransplantationTransplantationOrgan TransplantationImmunosuppressive AgentsTransplantation, HomologousHeart TransplantationLiver FailureHospitals, SpecialLung TransplantationDonor SelectionRetrospective StudiesCadaverTreatment OutcomeDirected Tissue DonationPostoperative ComplicationsTime FactorsBone Marrow TransplantationKidney Failure, ChronicHistocompatibility TestingHematopoietic Stem Cell TransplantationEnd Stage Liver DiseaseUnited StatesPancreas TransplantationPatient SelectionCytomegalovirus InfectionsSurvival RateLiver DiseasesFollow-Up StudiesRisk FactorsSurvival AnalysisTissue and Organ HarvestingRegistriesGraft vs Host DiseaseTransplantation, AutologousCyclosporineTacrolimusIncidenceProspective StudiesImmunosuppressionPostoperative CareRecurrenceMedicareMultivariate AnalysisFetal Tissue TransplantationMycophenolic AcidRisk AssessmentCohort StudiesTransplantation ImmunologyPrognosisImmunocompromised HostProportional Hazards ModelsHeart-Lung TransplantationSeverity of Illness IndexOutcome Assessment (Health Care)Brain Tissue TransplantationBronchiolitis ObliteransHealth Services AccessibilityTransplantation, HeterotopicHistocompatibilityOpportunistic InfectionsCytomegalovirusTransplantation ToleranceTransplantation ConditioningBK VirusBiopsyGerminal CenterHLA AntigensGanciclovirIsoantibodiesAntilymphocyte SerumKidneyPolyomavirus InfectionsLymphoproliferative DisordersHematologic NeoplasmsTransplantation, IsogeneicKidney DiseasesCreatinineIslets of Langerhans TransplantationMycosesChild Day Care CentersAcute DiseasePostoperative PeriodAntiviral AgentsPrimary Graft DysfunctionFatal OutcomeSirolimusRenal DialysisWhole-Body IrradiationStem Cell TransplantationKaplan-Meier EstimateDrug Therapy, CombinationCalcineurin