Tissue DonorsDeltaretrovirus InfectionsDeltaretrovirus AntibodiesNucleic Acid Amplification TechniquesLiver TransplantationTransplantation, HomologousKidney TransplantationBone Marrow TransplantationHematopoietic Stem Cell TransplantationHeart TransplantationTransplantation, AutologousLiving DonorsLung TransplantationGraft SurvivalStem Cell TransplantationTransplantation ConditioningOrgan TransplantationGraft RejectionBlood DonorsPancreas TransplantationIslets of Langerhans TransplantationTransplantationTransplantation ImmunologyCell TransplantationTransplantation ChimeraGraft vs Host DiseaseImmunosuppressive AgentsTissue and Organ ProcurementTransplantation, IsogeneicTreatment OutcomeTransplantation, HeterotopicCord Blood Stem Cell TransplantationHeart-Lung TransplantationHistocompatibility TestingTransplantation ToleranceTime FactorsRetrospective StudiesLiver FailurePeripheral Blood Stem Cell TransplantationImmunosuppressionSkin TransplantationFetal Tissue TransplantationPostoperative ComplicationsHistocompatibilityWaiting ListsCadaverCorneal TransplantationRecurrenceTransplantation, HeterologousHematologic NeoplasmsMesenchymal Stem Cell TransplantationWhole-Body IrradiationTacrolimusTissue TransplantationCyclosporineFollow-Up StudiesSurvival AnalysisOrgan PreservationSurvival RateTissue and Organ HarvestingHLA AntigensTransplantsLiver DiseasesBrain Tissue TransplantationFacial TransplantationBrain DeathDonor SelectionBusulfanSalaries and Fringe BenefitsKidney Failure, ChronicRisk FactorsAntilymphocyte SerumBlood Group IncompatibilityMice, Inbred C57BLAnemia, AplasticBronchiolitis ObliteransCytomegalovirus InfectionsCombined Modality TherapyAcute DiseaseHematopoietic Stem CellsLiverPostoperative PeriodRemission InductionRats, Inbred LewMycophenolic AcidT-LymphocytesDelayed Graft FunctionHand TransplantationEnd Stage Liver DiseasePatient SelectionPrognosisCyclophosphamideMyeloablative AgonistsABO Blood-Group SystemProspective StudiesDisease-Free SurvivalPrimary Graft DysfunctionChimerismCold IschemiaLymphocyte Depletion