Skin TransplantationTransplantation, HomologousGraft RejectionGraft SurvivalLiver TransplantationMice, Inbred BALB CKidney TransplantationMice, Inbred C57BLBone Marrow TransplantationSkinHematopoietic Stem Cell TransplantationHeart TransplantationTransplantation, AutologousLung TransplantationOrgan TransplantationStem Cell TransplantationTransplantation ConditioningTissue DonorsPancreas TransplantationTransplantationIslets of Langerhans TransplantationTissue and Organ ProcurementTransplantation ImmunologyCell TransplantationSkin DiseasesTransplantation ChimeraSkin AgingSkin NeoplasmsImmunosuppressive AgentsGraft vs Host DiseaseTransplantation, IsogeneicTreatment OutcomeLiving DonorsTransplantation, HeterotopicHeart-Lung TransplantationCord Blood Stem Cell Transplantation