Pancreas TransplantationPancreasKidney TransplantationGraft SurvivalGraft RejectionTransplantation, HomologousIslets of Langerhans TransplantationPancreatitis, GraftDiabetes Mellitus, Type 1Tissue DonorsImmunosuppressive AgentsLiver TransplantationImmunosuppressionTacrolimusOrgan PreservationBone Marrow TransplantationTissue and Organ ProcurementHeart TransplantationPostoperative ComplicationsHematopoietic Stem Cell TransplantationLung TransplantationWaiting ListsTreatment OutcomeDiabetic NephropathiesTransplantation, AutologousActuarial AnalysisTime FactorsRetrospective Studies