Organ TransplantationKidney TransplantationTransplantsImmunosuppressive AgentsTransplantationGraft RejectionHeart TransplantationLung TransplantationImmunocompromised HostTacrolimusCyclosporineTissue DonorsGraft SurvivalTransplantation, HomologousLiver TransplantationCytomegalovirus InfectionsTissue and Organ ProcurementImmunosuppressionPostoperative ComplicationsTransplantation ImmunologyMycophenolic AcidLymphoproliferative DisordersGanciclovirRetrospective StudiesTime FactorsCytomegalovirusTreatment OutcomeBone Marrow TransplantationOpportunistic InfectionsHeart-Lung TransplantationPancreas TransplantationLiving DonorsWaiting ListsTransplantation ToleranceMycosesAntiviral AgentsFacial TransplantationRisk FactorsCalcineurinBrain DeathSkin NeoplasmsHistocompatibility TestingBK VirusHematopoietic Stem Cell TransplantationFollow-Up StudiesKidney Failure, ChronicCadaverPolyomavirus InfectionsSirolimusAntifungal AgentsProspective StudiesIncidenceBronchiolitis ObliteransCryptococcosisEyebrowsKidneySeromaLiver FailureKeratosis, ActinicZygomycosisCyclosporinsAspergillosisHerpesvirus 4, HumanDrug MonitoringEpstein-Barr Virus InfectionsHerpesvirus 6, HumanBiopsyCohort StudiesFatal OutcomeAntilymphocyte SerumDrug Therapy, CombinationCreatininePolymerase Chain ReactionMarital TherapyHLA AntigensKidney DiseasesHerpesviridae InfectionsGraft vs Host DiseasePostoperative PeriodLiver DiseasesTablets, Enteric-CoatedDeathFetal Tissue TransplantationSurvival RateGingival OvergrowthAcitretinIsoantibodiesViremiaDNA, ViralViral LoadEnd Stage Liver DiseasePrognosisSunscreening AgentsTumor Virus InfectionsImmunocompetenceRecurrenceBiological MarkersSunlightT-LymphocytesHerpesvirus 7, Human