Disease SusceptibilityGenetic Predisposition to DiseaseHLA AntigensPolymorphism, Single NucleotideGenotypeAllelesMicrobial Sensitivity TestsHaplotypesPolymorphism, GeneticGene FrequencyCase-Control StudiesGenome-Wide Association StudyAnti-Bacterial AgentsLinkage DisequilibriumGenetic VariationHLA-DQ AntigensGenetic LinkageChromosome MappingGenetic MarkersHLA-DR AntigensHLA-DRB1 ChainsHLA-DQ beta-ChainsPhenotypeChild WelfareDisabled ChildrenHLA-DR3 AntigenGenetic Association StudiesChild BehaviorGenome, HumanMutationImmunity, InnateGenetic LociEpistasis, GeneticCrohn DiseaseMolecular Sequence DataGenes, MHC Class IINod2 Signaling Adaptor ProteinRisk FactorsDrug Resistance, BacterialPlant DiseasesDiabetes Mellitus, Type 1Complement C4aHLA-B AntigensDrug Resistance, MicrobialModels, GeneticPolymerase Chain ReactionChromosomes, Human, Pair 6European Continental Ancestry GroupAsian Continental Ancestry GroupBahrainPedigreeMice, Inbred C57BLAutoimmune DiseasesGenetic Diseases, InbornMajor Histocompatibility ComplexQuantitative Trait LociAntifungal AgentsSalicylic AcidMicrosatellite RepeatsGenetic TestingSequence Analysis, DNASpecies SpecificityLupus Erythematosus, SystemicHLA-A AntigensChild Health ServicesDisease ResistanceTime FactorsChild RearingBase SequencePlant ImmunityAmino Acid SequenceAge of OnsetLod ScoreChild, InstitutionalizedChild Behavior DisordersDisease Models, AnimalAge FactorsHomozygoteChild PsychologyGenetics, PopulationHeterozygoteCandidaCrosses, GeneticPseudomonas syringaeInflammatory Bowel DiseasesMice, Inbred StrainsFamily HealthAutoantibodiesReproducibility of ResultsOdds RatioChild of Impaired ParentsMice, CongenicPolymorphism, Restriction Fragment LengthArthritis, RheumatoidFamilyCeliac DiseaseChromosomes, Human, Pair 2Drug Resistance, Multiple, BacterialDental Care for ChildrenHLA-B27 Antigen