1. Department of Pediatrics, Thyroid Disorders Research Center, Arak University of Medical Sciences, Arak, Iran;
2. Thyroid Disorders Research Center, Arak University of Medical Sciences, Arak, Iran;
3. Department of Endocrinology, Thyroid Disorders Research Center, Arak University of Medical Sciences, Arak, Iran;
4. Department of Epidemiology, School of Health, Arak University of Medical Sciences, Arak, Iran