Cord Blood Stem Cell TransplantationFetal BloodUmbilical CordTransplantation, AutologousHematopoietic Stem Cell TransplantationTransplantation, HomologousTransplantation ConditioningTransplantation ChimeraGraft vs Host DiseaseHematologic NeoplasmsTissue DonorsHistocompatibility TestingTreatment OutcomeBlood BanksBone Marrow TransplantationSpinal CordAntigens, CD34Umbilical VeinsInfant, NewbornUmbilical ArteriesHematopoietic Stem CellsHematopoietic Stem Cell MobilizationSpinal Cord InjuriesPregnancyKidney TransplantationRecurrenceTransplantsHodgkin DiseaseSmad2 ProteinMultiple MyelomaRetrospective StudiesCells, CulturedMaternal-Fetal ExchangeSurvival AnalysisBlood Transfusion, AutologousGraft RejectionImmunosuppressive AgentsCell DifferentiationCell Separation