Cord Blood Stem Cell TransplantationFetal BloodHematopoietic Stem Cell TransplantationTransplantation ChimeraSpinal CordHematologic NeoplasmsGraft vs Host DiseaseTissue DonorsTransplantation ConditioningHistocompatibility TestingTransplantation, HomologousSpinal Cord InjuriesTransplantation, AutologousTreatment OutcomeUmbilical CordBlood BanksInfant, NewbornAntigens, CD34Kidney TransplantationBlood Transfusion, AutologousHematopoietic Stem CellsTransplantsGraft SurvivalSpinal Cord DiseasesPregnancySpinal Cord CompressionBone Marrow TransplantationSpermatic CordGraft RejectionTime FactorsMaternal-Fetal ExchangeSpinal Cord NeoplasmsCells, CulturedImmunosuppressive AgentsSpinal Cord IschemiaCell DifferentiationStem Cell TransplantationCell SeparationHeart TransplantationFlow CytometryImmunophenotypingMice, SCIDColony-Forming Units AssayAntigens, CDTransplantationCell Culture TechniquesRetrospective StudiesCord FactorsT-LymphocytesBlood PreservationMice, Inbred NODBone Marrow CellsLung TransplantationParaplegiaLeukocytes, MononuclearStem CellsFetal Tissue TransplantationHLA AntigensVocal CordsHematopoiesisNuchal CordMaternal ExposureLymphocyte ActivationHistocompatibilityAntigens, CD38Blood CellsImmunosuppressionDirected Tissue DonationPostoperative ComplicationsFollow-Up StudiesCyclosporineBlood Cell CountCell LineageCell TransplantationSpinal Cord RegenerationCytomegalovirus InfectionsTacrolimusADP-ribosyl CyclaseRecurrenceLeukemiaPlacentaProspective StudiesCoculture TechniquesTissue and Organ ProcurementRecovery of FunctionCombined Modality TherapyGestational AgeLymphocytesStem Cell FactorPeripheral Blood Stem Cell TransplantationAntigens, CD45Living DonorsWhole-Body IrradiationMotor NeuronsCervical VertebraeCytotoxicity, ImmunologicFetusLymphocyte Culture Test, MixedCryopreservationMesenchymal Stromal Cells