Kidney TransplantationOrgan TransplantationGraft RejectionImmunosuppressive AgentsTransplantsTransplantationGraft SurvivalTissue DonorsTacrolimusMycophenolic AcidCyclosporineTransplantation, HomologousKidneyImmunosuppressionHeart TransplantationImmunocompromised HostBK VirusLung TransplantationCytomegalovirus InfectionsTissue and Organ ProcurementLiver TransplantationPostoperative ComplicationsKidney Failure, ChronicLiving DonorsTreatment OutcomeRetrospective StudiesTime FactorsPolyomavirus InfectionsKidney DiseasesPancreas TransplantationDelayed Graft FunctionCadaverTransplantation ImmunologyRisk FactorsWaiting ListsGanciclovirCytomegalovirusHistocompatibility TestingAntilymphocyte SerumLymphoproliferative DisordersCalcineurinFollow-Up StudiesSirolimusCreatinineGlomerular Filtration RateIranOpportunistic InfectionsIsoantibodiesKidney Function TestsProspective StudiesPrimary Graft DysfunctionIncidenceAzathioprineHLA AntigensBone Marrow TransplantationAntiviral AgentsBiopsyCohort StudiesDrug MonitoringHeart-Lung TransplantationDrug Therapy, CombinationMycosesSkin NeoplasmsDrug SubstitutionComplement C4bBrain DeathSurvival RateRenal InsufficiencyRenal DialysisTransplantation ToleranceFatal OutcomeProportional Hazards ModelsDonor SelectionTumor Virus InfectionsBiological MarkersTablets, Enteric-CoatedHematopoietic Stem Cell TransplantationGingival HyperplasiaPostoperative PeriodPrognosisAntifungal AgentsEpstein-Barr Virus InfectionsTranscultural NursingRegistriesKaplan-Meier EstimateViremiaSurvival AnalysisMultivariate AnalysisPolymerase Chain ReactionBronchiolitis ObliteransChi-Square DistributionRisk AssessmentFacial TransplantationUnited StatesGingival OvergrowthLiver FailureInfectionZygomycosisCase-Control StudiesIMP Dehydrogenase