Organ TransplantationNeoplasms, Second PrimaryGraft RejectionLiver TransplantationKidney TransplantationTransplantation, HomologousHeart TransplantationTransplantationLung TransplantationTransplantation ImmunologyTissue DonorsTissue and Organ ProcurementImmunosuppressive AgentsBone Marrow TransplantationGraft SurvivalHematopoietic Stem Cell TransplantationPancreas TransplantationTransplantation ToleranceImmunosuppressionTransplantation, AutologousTransplantsStem Cell TransplantationBrain DeathTransplantation ConditioningHeart-Lung TransplantationTransplantation ChimeraTacrolimusLiving DonorsCyclosporineTreatment OutcomeIslets of Langerhans TransplantationCell TransplantationLymphoproliferative DisordersWaiting ListsRetrospective StudiesCadaverTransplantation, HeterotopicOrgan PreservationTime FactorsPostoperative ComplicationsGraft vs Host DiseaseSkin TransplantationHematologic NeoplasmsTransplantation, IsogeneicHistocompatibility TestingLiver FailureMycophenolic AcidMedical TourismTissue TransplantationTransplantation, HeterologousCord Blood Stem Cell Transplantation