SH2B1 and type 2 diabetes mellitus: Only the SH2B1 rs7498665 G-allele strongly associated with increased risk of type 2 diabetes when adjusting for age and sex with an allelic OR of 1.18 (1.09–1.28, p = 3.0×10−5) and when additionally adjusting for BMI a nominal association sustained with an OR of 1.16 (1.07–1.27, p = 7.8×10−4).