KCNQ1 and type 2 diabetes mellitus: Most SNPs associated with T2D by ULR, except SNP rs450208 (SLC22A18) in males and SNP rs2237897 (KCNQ1) in females, which could be in partial linkage disequilibrium with other SNPs in chromosome region 11p15.5 (Additional file 1: Table S12), remained in the MLR models (Additional file 1: Table S13).