ERAP1 and ankylosing spondylitis: Genetic variants of ERAP1 rs72773968 (T12I), rs3734016 (E56K), rs26653 (P127R), rs26618 (I276M), rs27895 (G346D), rs2287987 (M349V), rs30187 (K528R), rs10050860 (D575N), rs17482078 (R725Q), and rs27044 (Q730E) have been shown to be associated with ankylosing spondylitis and Behcet's disease (García‐Medel et al. 2012; Remmers et al. 2015).