1. Department of Epidemiology, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
2. Mental Health Research Center, Psychosocial Health Research Institute, Iran University of Medical Sciences, Tehran, Iran
3. Department of Psychiatry, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
4. Research Center for Addiction and Risky Behaviors (ReCARB), Psychosocial Health Research Institute (PHRI), Iran University of Medical Sciences, Tehran, Iran
5. Health Management and Economics Research Center, School of Health Management and Information Sciences, Iran University of Medical Sciences, Tehran, Iran