VDR and type 2 diabetes mellitus: According to the most recent data, T2DM is statistically related to the T allele of Apa1 (rs7975232) and the T allele of Taq1 (rs731236) of the vitamin D receptor, whereas the G allele of Apa1 (rs7975232) and the C allele of Taq1 (rs731236) of the vitamin D receptor are protecting alleles