Skin TransplantationTransplantation, HomologousGraft RejectionGraft SurvivalImmunosuppressive AgentsLiver TransplantationKidney TransplantationMice, Inbred BALB CMice, Inbred C57BLBone Marrow TransplantationSkinHematopoietic Stem Cell TransplantationHeart TransplantationTransplantation, AutologousLung TransplantationImmunosuppressionOrgan TransplantationStem Cell TransplantationTransplantation ConditioningCyclosporineTacrolimusPancreas TransplantationIslets of Langerhans TransplantationTransplantation ImmunologyTransplantationTissue DonorsCell TransplantationTransplantation ChimeraSkin DiseasesTreatment OutcomeSkin NeoplasmsGraft vs Host DiseaseMycophenolic AcidSkin AgingAzathioprineLiving DonorsTransplantation, IsogeneicTransplantation, HeterotopicTransplantation ToleranceTime FactorsHeart-Lung TransplantationRetrospective StudiesCord Blood Stem Cell TransplantationImmune Tolerance