Cord Blood Stem Cell TransplantationFetal BloodHematopoietic Stem Cell TransplantationTransplantation ChimeraTissue DonorsGraft vs Host DiseaseTransplantation, HomologousHistocompatibility TestingHematologic NeoplasmsTransplantation ConditioningKidney TransplantationTreatment OutcomeTransplantsGraft RejectionGraft SurvivalImmunosuppressive AgentsHeart TransplantationTransplantationLung TransplantationTissue and Organ ProcurementBone Marrow TransplantationCyclosporineTacrolimusLiving DonorsWaiting ListsPostoperative ComplicationsImmunosuppressionRetrospective StudiesTime FactorsFetal Tissue TransplantationCytomegalovirus InfectionsMycophenolic AcidCadaverTransplantation ImmunologyImmunocompromised HostKidney Failure, ChronicLiver FailureHeart-Lung TransplantationBrain Tissue TransplantationTransplantation, AutologousFollow-Up StudiesRisk FactorsBronchiolitis ObliteransTransplantation, HeterotopicHistocompatibilityTransplantation ToleranceOpportunistic InfectionsCytomegalovirusBK VirusRecurrenceSurvival RateSurvival AnalysisHLA AntigensBiopsyGanciclovirAntilymphocyte SerumIsoantibodiesPolyomavirus InfectionsKidney