Dose-Response Relationship, DrugTime FactorsElectric StimulationCord Blood Stem Cell TransplantationAntigens, CD34Histocompatibility TestingGraft SurvivalGraft vs Host DiseaseHematologic NeoplasmsBlood Cell CountTransplantation, HomologousHematopoietic Stem Cell TransplantationElectric Stimulation TherapyDose-Response Relationship, RadiationStimulation, ChemicalTransplantation, IsogeneicFetal BloodTransplantation ConditioningOxytropisHematopoietic Stem CellsCell CountBone Marrow TransplantationPhysical StimulationDeep Brain StimulationTransplantation, AutologousTreatment OutcomePeripheral Blood Stem Cell Transplantation