INS and type 2 diabetes mellitus: The phenotype of T2D in Sub-Saharan African (SSA) and Asian populations differs from the one of Western populations regarding obesity and physical inactivity [7, 8] There seems to be a higher frequency of severe insulin-deficient diabetes mellitus, younger age and lower body mass index (BMI) at diagnosis, lower β-cell function, and lower insulin resistance among Indian and Chinese people compared with European people [9].