1. Iran Student Research Committee, Arak University of Medical Sciences, Arak, Iran;
2. Endocrinology and Metabolism Research Center, Department of Social Medicine, School of Medicine, Arak University of Medical Sciences, Arak, Iran;
3. Endocrinology and Metabolism Research Center, Department of Biostatistics, School of Medicine, Arak University of Medical Sciences, Arak, Iran;
4. Endocrinology and Metabolism Research Center, Department of Biochemistry and Genetics, School of Medicine, Arak University of Medical Sciences, Arak, Iran