HLA-DRB1 and multiminicore myopathy: Inoue et al. genotyped HLA class II gene alleles in unrelated Japanese MMD patients and controls, showing a significant positive association between MMD and HLA-DQB1*0502 and a significant negative association between MMD and DRB1*0405 and DQB1*0401 with RRs of 3.27, 0.35, and 0.40 [72].