Organ TransplantationSeromaTacrolimusImmunosuppressive AgentsTransplantsKidney TransplantationTransplantationGraft RejectionImmunocompromised HostHeart TransplantationLung TransplantationCyclosporineLiver TransplantationCytomegalovirus InfectionsTransplantation ImmunologyMycophenolic AcidLymphoproliferative DisordersGanciclovirImmunosuppressionPostoperative ComplicationsPancreas TransplantationGraft SurvivalTissue DonorsCytomegalovirusTransplantation, HomologousZygomycosisMarital TherapySirolimusTreatment OutcomeOpportunistic InfectionsAntiviral AgentsRetrospective StudiesCalcineurinTime FactorsTissue and Organ ProcurementAntifungal AgentsCryptococcosisPropylene GlycolsHerpesvirus 7, HumanHerpesvirus 4, HumanPolyenesMycosesEpstein-Barr Virus Infections