TRAF5 and Behcet disease: The frequency of the AG genotype and A allele of rs6540679/TRAF5 were remarkably increased (pc = 3.6×10−9, OR = 1.750; pc =  1.16×10−10, OR = 1.589 respectively), while the frequency of the homozygous GG genotype was markedly decreased (pc = 1.22×10−11, OR = 0.536) in BD patients.