Hematopoietic Stem Cell TransplantationStem CellsTransplantation, HomologousStem Cell TransplantationClone CellsKidney TransplantationTransplantationTransplantation, AutologousTissue DonorsHematopoietic Stem CellsGraft SurvivalGraft vs Host DiseaseHematologic NeoplasmsCytomegalovirus InfectionsGraft RejectionTransplantsImmunocompromised HostTransplantation ConditioningEmbryonic Stem CellsBone Marrow TransplantationTreatment OutcomeAdult Stem CellsImmunosuppressive AgentsPeripheral Blood Stem Cell TransplantationHistocompatibility TestingOpportunistic InfectionsRetrospective StudiesHeart TransplantationPluripotent Stem CellsTime FactorsMycosesHistocompatibilityAspergillosisCytomegalovirusStem Cell NicheLung TransplantationCell DifferentiationNeural Stem CellsRoseolovirus InfectionsMesenchymal Stem Cell TransplantationCyclosporineHematopoietic Stem Cell MobilizationInduced Pluripotent Stem CellsImmunosuppressionRecurrenceMultipotent Stem CellsPostoperative ComplicationsWhole-Body IrradiationTransplantation ChimeraAntiviral AgentsLiving DonorsGanciclovirBK VirusAntifungal AgentsMesenchymal Stromal CellsStem Cell FactorLeukemiaTissue and Organ ProcurementRisk FactorsFatal OutcomeHematologic DiseasesSurvival RateCord Blood Stem Cell TransplantationBusulfanTacrolimusPolyomavirus InfectionsSurvival AnalysisMultiple MyelomaFollow-Up StudiesHerpesvirus 6, HumanCells, CulturedLymphoproliferative DisordersAntigens, CD34Transplantation ImmunologyFetal Tissue TransplantationHepatic Veno-Occlusive DiseaseAcute DiseaseCell LineageCombined Modality TherapyOrgan TransplantationFlow CytometryProspective StudiesHLA AntigensAnemia, AplasticPolymerase Chain ReactionZygomycosisIncidenceBone Marrow CellsSalvage TherapyMice, Inbred C57BLWaiting ListsLeukemia, Myelogenous, Chronic, BCR-ABL PositiveStem Cell ResearchT-LymphocytesVirus ActivationCell TransplantationChimerismMycophenolic AcidViral LoadPlant Stems