Skin TransplantationTransplantation, HomologousGraft RejectionGraft SurvivalLiver TransplantationMice, Inbred BALB CKidney TransplantationMice, Inbred C57BLBone Marrow TransplantationSkinHematopoietic Stem Cell TransplantationHeart TransplantationTransplantation, AutologousLung TransplantationStem Cell TransplantationTransplantation ConditioningOrgan TransplantationPancreas TransplantationIslets of Langerhans TransplantationTissue DonorsTransplantationTransplantation ImmunologyCell TransplantationSkin DiseasesTransplantation ChimeraSkin AgingSkin NeoplasmsImmunosuppressive AgentsGraft vs Host DiseaseTransplantation, IsogeneicTreatment OutcomeLiving DonorsTransplantation, HeterotopicCord Blood Stem Cell TransplantationHeart-Lung Transplantation