Skin TransplantationGraft RejectionTransplantation, HomologousGraft SurvivalLiver TransplantationKidney TransplantationMice, Inbred BALB CMice, Inbred C57BLHeart TransplantationBone Marrow TransplantationSkinLung TransplantationHematopoietic Stem Cell TransplantationRejection (Psychology)Transplantation, AutologousImmunosuppressive AgentsOrgan TransplantationTransplantation ImmunologyStem Cell TransplantationPancreas TransplantationTransplantation ConditioningTissue DonorsIslets of Langerhans TransplantationTransplantationImmune SystemTransplantation, IsogeneicTransplantation, HeterotopicImmunosuppressionTransplantation ChimeraCell TransplantationCorneal TransplantationTransplantation ToleranceTime FactorsSkin DiseasesTreatment OutcomeSkin NeoplasmsSkin AgingLiving DonorsImmune ToleranceGraft vs Host DiseaseHeart-Lung TransplantationCyclosporineHistocompatibility TestingTacrolimusT-LymphocytesRetrospective StudiesCord Blood Stem Cell TransplantationTransplantation, HeterologousAcute DiseasePostoperative Complications