SiblingsSibling RelationsNuclear FamilyFamily HealthBirth OrderPedigreeFamilyHistocompatibility TestingTransplantation, HomologousHistocompatibilityHLA AntigensGraft vs Host DiseaseBone Marrow TransplantationConsanguinityGenetic Predisposition to DiseaseGenetic LinkageTissue DonorsFamily CharacteristicsPhenotypeRisk FactorsHematopoietic Stem Cell TransplantationDiseases in TwinsAge of OnsetParentsGenotypeAdoptionEndophenotypesTransplantation ConditioningTwins, MonozygoticTwins, DizygoticAnemia, AplasticInfant, NewbornHematologic NeoplasmsBereavementBirth IntervalsGenes, RecessiveHomozygoteTwinsAutistic DisorderSchizophreniaParent-Child RelationsOnly ChildIntegrin-Binding SialoproteinSwedenChromosome MappingSocial EnvironmentSex FactorsMutationSurvivorsCompetitive BehaviorCohort StudiesLod ScoreAllelesCase-Control StudiesFamily Relations