Acellular DermisTissue TransplantationBrain Tissue TransplantationClone CellsKidney TransplantationTransplantsGraft RejectionGraft SurvivalImmunosuppressive AgentsHeart TransplantationTransplantation, HomologousTransplantationTissue DonorsLung TransplantationMolecular Sequence DataCloning, MolecularTissue and Organ ProcurementBone Marrow TransplantationBase SequenceTime FactorsCyclosporineTacrolimusLiving DonorsTreatment OutcomeWaiting ListsImmunosuppressionPostoperative ComplicationsAmino Acid SequenceHematopoietic Stem Cell TransplantationRetrospective StudiesCytomegalovirus InfectionsFetal Tissue TransplantationHistocompatibility TestingMycophenolic AcidTransplantation ImmunologyCadaverImmunocompromised HostKidney Failure, ChronicPolymerase Chain ReactionGraft vs Host DiseaseLiver FailureHeart-Lung TransplantationTransplantation, AutologousDNADNA, ComplementaryRisk FactorsSequence Analysis, DNAFollow-Up StudiesKidneyRNA, MessengerBronchiolitis ObliteransTransplantation, Heterotopic