GCKR and type 2 diabetes mellitus: SNPs in or near GCKR (rs1260326), PPARG (rs1801282), WFS1 (rs1801214), SLC30A8 (rs13266634), KCNQ1 (rs231362), BCL2 (rs12454712), GATAD2A (rs16996148) or HNF4A (rs1884614) were not associated with any T2D-related traits.