1Diabetes Research Centre, Mazandaran University of Medical Sciences, IR Iran
2Nutrition and Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, IR Iran
3Medical Education Research Center, Department of Statistics and Epidemiology, Faculty of Health, Tabriz University of Medical Sciences, IR Iran
4School of Public Health, Shahid Beheshti University of Medical Sciences, IR Iran
5Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, azizi@endocrine.ac.ir, IR Iran