HLA-DRB1 and chronic myelogenous leukemia, BCR-ABL1 positive: Moreover, HLA-DRB1*11/−DQA1*03011/−DQB1*03011/−DQB1*0302/−DQA1*0505/−DRB1*04 were reported as the most frequent haplotypes among Iranian CML cases [53].