HaplotypesHLA-C AntigensAllelesPolymorphism, Single NucleotideLinkage DisequilibriumGene FrequencyGenetic VariationPolymorphism, GeneticGenotypeGenetic Predisposition to DiseaseGenetics, PopulationDNA, MitochondrialGenetic MarkersPhylogenySequence Analysis, DNAFounder EffectCase-Control StudiesHLA-DQ AntigensMicrosatellite RepeatsChromosome MappingGenetic LinkagePolymorphism, Restriction Fragment LengthHLA-DQ beta-Chains