In addition, the IL-23R/IL-12RB2 genes with multiple SNPs (rs1495965, rs924080 rs11209032, rs17375018, rs7517847, 10489629 and rs1966176) were associated with BD in the cohorts of Turkey [56], Japanese [57], Han Chinese [66, 67], Iranian [68], Western Algeria [69] and Korean [70]. Here, IL23R is linked to Behcet disease.