Unrelated DonorsMolecular Sequence DataPedigreeHistocompatibility TestingMutationBase SequenceTissue DonorsGraft vs Host DiseaseTransplantation, HomologousAmino Acid SequenceGenotypeDNA Mutational AnalysisHistocompatibilityPhenotypeTime FactorsHaplotypesAllelesTreatment OutcomePolymerase Chain ReactionRetrospective StudiesBone Marrow TransplantationHematopoietic Stem Cell TransplantationTransplantation ConditioningPolymorphism, GeneticGene FrequencyExonsRisk FactorsSequence Analysis, DNAHeterozygoteQuestionnairesPolymorphism, Single NucleotideMutation, MissenseHLA AntigensHematologic NeoplasmsCase-Control StudiesGenetic VariationFollow-Up StudiesGenetic Predisposition to DiseaseInfant, NewbornHomozygoteProspective StudiesCohort StudiesUnited StatesRecurrenceAge FactorsGenetic LinkageSyndromePhylogenyAsian Continental Ancestry GroupPolymorphism, Restriction Fragment LengthPregnancyDNAPolymorphism, Single-Stranded ConformationalPoint MutationFamilyGenetic TestingChromosome MappingFounder EffectGenes, RecessiveSpecies SpecificityCross-Sectional StudiesDNA PrimersTreatment RefusalSurvival AnalysisModels, GeneticLeukemiaPatient Acceptance of Health CareSiblingsCell LineBacterial ProteinsFrameshift MutationDonor SelectionSex FactorsConsanguinityEuropean Continental Ancestry GroupSequence AlignmentCloning, MolecularMotivationDNA, BacterialGraft SurvivalGenes, DominantIncidenceEscherichia coliSequence Homology, Amino AcidMicrosatellite RepeatsItalyHealth Knowledge, Attitudes, PracticeHeterozygote DetectionSurvival RateAnemia, AplasticModels, MolecularFamily HealthLiving DonorsReproducibility of ResultsKineticsFetal BloodAcute DiseaseChinaGenetic Association StudiesGenetic Markers