Donor SelectionTransplant Donor SiteTissue DonorsLiving DonorsKidney TransplantationHistocompatibility TestingBlood DonorsTissue and Organ ProcurementHistocompatibilityGraft SurvivalSelection, GeneticTransplantation, HomologousLiver TransplantationBone Marrow TransplantationHLA AntigensGraft RejectionHematopoietic Stem Cell TransplantationGraft vs Host DiseaseTreatment OutcomeTransplantsHeart TransplantationTransplantationLung TransplantationImmunosuppressive AgentsTime FactorsImmunosuppressionTacrolimusCyclosporineRetrospective StudiesPostoperative ComplicationsCytomegalovirus InfectionsCadaverTransplantation ImmunologyWaiting ListsMycophenolic AcidLiver FailurePatient SelectionImmunocompromised HostOrgan TransplantationRisk FactorsFollow-Up Studies