Bone Marrow TransplantationFetal BloodRegistriesUmbilical CordHematopoietic Stem Cell TransplantationTransplantation, HomologousGraft vs Host DiseaseCord Blood Stem Cell TransplantationTransplantation, AutologousTissue DonorsHematopoietic Stem CellsBone MarrowHistocompatibility TestingBone Marrow CellsBlood BanksAntigens, CD34Graft SurvivalUmbilical VeinsDonor SelectionKidney TransplantationUmbilical ArteriesInfant, NewbornCells, CulturedTransplantation ConditioningLiving DonorsPregnancyTreatment OutcomeLeukemiaTime FactorsHematologic NeoplasmsHematopoiesisHematopoietic Stem Cell MobilizationSpinal CordTissue and Organ ProcurementRetrospective StudiesWhole-Body IrradiationCell DifferentiationColony-Forming Units AssayPancreas TransplantationImmunosuppressionAnemia, AplasticBlood DonorsRecurrenceGranulocyte Colony-Stimulating FactorT-LymphocytesTransplantation ChimeraFlow CytometrySurvival AnalysisCell SeparationSurvival RateLymphocytesCytomegalovirus InfectionsImmunosuppressive AgentsCadaverHistocompatibilityAntigens, CDTransplantsBlood CellsSpinal Cord InjuriesMaternal-Fetal ExchangeSpleenHLA AntigensGraft RejectionStem CellsDisease-Free SurvivalCell LineageImmunophenotypingCell Culture TechniquesMice, SCIDMesenchymal Stromal CellsHematologic DiseasesUnrelated DonorsMyeloablative AgonistsLeukemia, Myeloid, AcuteHernia, UmbilicalBlood PreservationVolunteersAntigens, CD38Mice, Inbred NODMultivariate AnalysisHematopoietic SystemBusulfanLiver TransplantationBlood Cell CountADP-ribosyl CyclasePrecursor Cell Lymphoblastic Leukemia-LymphomaMice, Inbred C57BLGestational AgeStem Cell FactorAcute DiseaseCytomegalovirusFetusUrachal CystPlacentaCyclosporineProspective StudiesLeukemia, Myelogenous, Chronic, BCR-ABL PositiveCell DivisionStem Cell TransplantationRisk Factors