Hematopoietic Stem Cell TransplantationBone Marrow TransplantationTransplantation, HomologousHematopoietic Stem CellsGraft vs Host DiseaseBone MarrowHematologic NeoplasmsHistocompatibilityBone Marrow CellsTransplantation ConditioningTissue DonorsTransplantation, AutologousStem CellsLeukemiaImmunocompromised HostStem Cell TransplantationHistocompatibility TestingCytomegalovirus InfectionsGraft SurvivalOpportunistic InfectionsWhole-Body IrradiationTransplantation ChimeraTreatment OutcomeMycosesHematopoiesisHLA AntigensRetrospective StudiesTransplantationSevere Combined ImmunodeficiencyPeripheral Blood Stem Cell TransplantationAspergillosisAntigens, CD34Bone and BonesRecurrenceLymphocyte DepletionHematologic DiseasesImmunosuppressive AgentsCytomegalovirusHepatic Veno-Occlusive DiseaseTime FactorsHaploidyAnemia, AplasticCell DifferentiationHematopoietic Stem Cell MobilizationAcute DiseaseGraft vs Leukemia EffectLeukemia, Myeloid, AcuteFatal OutcomeCord Blood Stem Cell TransplantationHaplotypesMice, Inbred C57BLT-LymphocytesAntifungal AgentsColony-Forming Units AssayGraft RejectionBK VirusAntiviral AgentsCell LineageFetal TherapiesPrecursor Cell Lymphoblastic Leukemia-LymphomaSurvival RateLymphocyte TransfusionBusulfanFlow CytometryUnrelated DonorsStem Cell NicheKidney TransplantationSiblingsLeukemia, Myelogenous, Chronic, BCR-ABL PositiveNeutropeniaSurvival AnalysisGranulocyte Colony-Stimulating FactorFollow-Up StudiesMyeloablative AgonistsLymphoproliferative DisordersAspergillusAntilymphocyte SerumCells, CulturedImmunosuppressionAdult Stem CellsCyclophosphamideBone Marrow PurgingRisk FactorsEmbryonic Stem CellsPolymerase Chain ReactionLiving DonorsRemission InductionCyclosporineDisease-Free SurvivalRadiation ChimeraCell SeparationBone Marrow DiseasesReceptors, KIRTransplantsCombined Modality TherapyProspective StudiesIncidenceGanciclovirMyelodysplastic SyndromesFetal Blood