Tissue DonorsDeltaretrovirus InfectionsDeltaretrovirus AntibodiesNucleic Acid Amplification TechniquesTissue and Organ ProcurementBrain DeathEye BanksDescemet Stripping Endothelial KeratoplastyCorneal TransplantationFetal Tissue TransplantationOrgan TransplantationEpikeratophakiaLiving DonorsBrain Tissue TransplantationTissue PreservationBlood DonorsDonor SelectionGraft SurvivalCorneaTissue and Organ HarvestingCorneal DiseasesEndothelium, CornealCadaverGraft RejectionTransplantation, HomologousPresumed ConsentLiver TransplantationKidney TransplantationTransplantation, HeterologousTransplantationSculptureTissue BanksTransplantsDirected Tissue DonationAltruismThird-Party ConsentInsurance, LifeWaiting ListsDeathHeart TransplantationDisease Transmission, InfectiousOrgan PreservationDelayed Graft FunctionBlood-Borne PathogensMoralsInformed ConsentLung TransplantationFatal OutcomeRabies virusFamilyRetrospective StudiesRabiesAttitudeIntensive Care UnitsTime FactorsHeart ArrestPancreasTreatment OutcomePatient SelectionLiverDecision MakingUnited StatesHepatitis COrgan Size