Cord Blood Stem Cell TransplantationTransplantation, HomologousHematopoietic Stem Cell TransplantationStem Cell TransplantationGraft vs Host DiseaseTransplantation, AutologousTransplantation ConditioningHematologic NeoplasmsFetal BloodCytomegalovirus InfectionsRoseolovirus InfectionsAspergillosisHistocompatibility TestingStem CellsTreatment OutcomeBone Marrow TransplantationCytomegalovirusHematopoietic Stem CellsSpinal CordRetrospective StudiesPeripheral Blood Stem Cell TransplantationTissue DonorsTransplantation ChimeraGraft SurvivalRecurrenceBusulfanGraft vs Leukemia EffectRemission InductionMyeloablative AgonistsAntigens, CD34LeukemiaImmunosuppressive AgentsSpinal Cord InjuriesVidarabineBlood Transfusion, AutologousHistocompatibilityGraft vs Tumor EffectWhole-Body IrradiationImmunocompromised HostT-LymphocytesTime FactorsTransplantationLeukemia, Myeloid, AcuteMultiple MyelomaCombined Modality TherapyLeukemia, Myelogenous, Chronic, BCR-ABL PositiveHematopoietic Stem Cell MobilizationSalvage TherapyLymphocyte DepletionPrecursor Cell Lymphoblastic Leukemia-LymphomaEmbryonic Stem CellsSurvival AnalysisOpportunistic InfectionsSurvival RateAdult Stem CellsSiblingsUmbilical CordCell DifferentiationVirus ActivationCells, CulturedMycosesAnemia, AplasticAcute DiseaseHematologic DiseasesMyelodysplastic SyndromesFlow CytometryBlood BanksChimerismHepatic Veno-Occlusive DiseaseHLA AntigensAntineoplastic Combined Chemotherapy ProtocolsCyclophosphamideMelphalanDisease-Free SurvivalLymphocyte TransfusionGraft RejectionMinor Histocompatibility AntigensHerpesvirus 6, HumanImmunosuppressionAntilymphocyte SerumBone Marrow CellsFollow-Up StudiesInfant, NewbornCell SeparationPluripotent Stem CellsGanciclovirLeukocyte TransfusionLymphocyte Culture Test, MixedNeoplasm, ResidualFatal OutcomeImmunophenotypingTransplantation ImmunologyMesenchymal Stromal CellsMesenchymal Stem Cell TransplantationAntigens, CDGranulocyte Colony-Stimulating FactorAntiviral AgentsLymphocyte ActivationLymphoproliferative DisordersPrognosis