Cord Blood Stem Cell TransplantationTransplantation, HomologousFetal BloodKidney TransplantationBone Marrow TransplantationHematopoietic Stem Cell TransplantationLiver TransplantationGraft SurvivalHeart TransplantationTransplantation ConditioningGraft vs Host DiseaseTransplantation, AutologousSpinal CordGraft RejectionLung TransplantationTissue DonorsStem Cell TransplantationImmunosuppressive AgentsTransplantationTransplantation ChimeraTransplantation ImmunologySpinal Cord InjuriesHistocompatibility TestingTreatment OutcomeTransplantsIslets of Langerhans TransplantationTransplantation, IsogeneicHematologic NeoplasmsOrgan TransplantationTime FactorsCell TransplantationImmunosuppressionLiving DonorsRetrospective StudiesHistocompatibilityPancreas TransplantationUmbilical CordTissue and Organ ProcurementTransplantation, HeterotopicAntigens, CD34Blood BanksTransplantation ToleranceHematopoietic Stem CellsRecurrenceCyclosporineWhole-Body IrradiationFetal Tissue TransplantationSkin TransplantationPeripheral Blood Stem Cell TransplantationTacrolimusPostoperative ComplicationsInfant, NewbornLeukemiaT-LymphocytesHeart-Lung TransplantationHLA AntigensCytomegalovirus InfectionsWaiting ListsLiver FailureIsoantigensFollow-Up StudiesSurvival AnalysisBusulfanSurvival RateGraft vs Leukemia EffectLymphocyte Culture Test, MixedTransplantation, HeterologousGraft vs Tumor Effect