HLA-DRB1 and type 1 diabetes mellitus: D′ and Wn values, as well as WDRB1/DQB1 and WDQB1/DRB1 measures, which assess the global linkage disequilibrium (LD) between DRB1 and DQB1 loci in T1D patients and control groups are shown in Supplementary Table S5.