Umbilical CordCalcium PhosphatesBone CementsTissue ScaffoldsStem CellsHematopoietic Stem Cell TransplantationStem Cell TransplantationFetal BloodTransplantation, HomologousCord Blood Stem Cell TransplantationUmbilical VeinsHematopoietic Stem CellsUmbilical ArteriesTransplantation, AutologousHematologic NeoplasmsGraft vs Host DiseaseTransplantationEmbryonic Stem CellsSpinal CordTransplantation ConditioningAdult Stem CellsCytomegalovirus InfectionsTissue DonorsImmunocompromised HostPeripheral Blood Stem Cell TransplantationPluripotent Stem CellsGraft SurvivalMesenchymal Stromal CellsCell DifferentiationTreatment OutcomeHistocompatibility TestingSpinal Cord InjuriesBone Marrow TransplantationMesenchymal Stem Cell TransplantationOpportunistic InfectionsStem Cell NicheAntigens, CD34Cells, CulturedKidney TransplantationTime FactorsMycosesNeural Stem CellsRetrospective StudiesImmunosuppressive AgentsInduced Pluripotent Stem CellsAspergillosisTransplantsHematopoietic Stem Cell MobilizationPregnancyRoseolovirus InfectionsHistocompatibilityHernia, UmbilicalMultipotent Stem CellsCytomegalovirusStem Cell FactorInfant, NewbornRecurrenceCell LineageHematologic DiseasesUrachal CystTransplantation ChimeraWhole-Body IrradiationLeukemiaFlow CytometryGraft RejectionBlood BanksBusulfanMultiple MyelomaAntifungal AgentsFetal Stem CellsCell SeparationFatal OutcomeAntiviral AgentsCell ProliferationBone Marrow CellsWharton JellyHerpesvirus 6, HumanHepatic Veno-Occlusive DiseaseAnemia, AplasticCell Culture TechniquesCombined Modality TherapyMyeloablative AgonistsGanciclovirSurvival Rate