1. Student Research Committee, School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran
2. Sexual Health and Fertility Research center, Shahroud University of Medical Sciences, Shahroud, Iran
3. Department of Epidemiology, School of Public Health, Shahroud University of Medical Sciences, Shahroud, Iran; Ophthalmic Epidemiology Research Centre, Shahroud University of Medical Sciences, Shahroud, Iran
4. Psychiatry and Behavioral Sciences Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
5. Department of Medical Genetics and Molecular Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran