KCNQ1 and type 2 diabetes mellitus: Four KCNQ1 polymorphisms (rs2237892, rs2283228, rs2237895, and rs2237897) previously shown to associate with type 2 diabetes [15], [16] were genotyped in 6,164 Danes (Table S1), who were part of the Danish case-control sample in the study by Unoki et al.[15].