Cord Blood Stem Cell TransplantationFetal BloodPenile ImplantationHematopoietic Stem Cell TransplantationTransplantation, AutologousPeripheral Blood Stem Cell TransplantationMonocrotophosTransplantation, HomologousUmbilical CordStem CellsBlood BanksTransplantation ConditioningBone Marrow TransplantationHematopoietic Stem CellsGraft vs Host DiseaseHematopoietic Stem Cell MobilizationAntigens, CD34Stem Cell TransplantationTreatment OutcomeImmunosuppressive AgentsCell DifferentiationTissue DonorsHematologic NeoplasmsCells, CulturedGraft SurvivalMice, SCIDSpinal CordMultiple MyelomaRecurrenceHistocompatibility TestingRetrospective StudiesInfant, NewbornGranulocyte Colony-Stimulating FactorHodgkin DiseaseUmbilical VeinsLeukapheresisUmbilical ArteriesTransplantation