1. Department of Epidemiology, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
2. Department of Biostatistics, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
3. Research Center for Addiction and Risky Behaviors (ReCARB), Psychosocial Health Research Institute (PHRI), Iran University of Medical Sciences, Tehran, Iran
4. Department of Public Health, School of Health, Ardabil University of Medical Sciences, Ardabil, Iran
5. Center for Primary Health Care Network Management, Deputy for Public Health, Iranian Ministry of Health and Medical Education, Tehran, Iran
6. Radiation Biology Research Center, Department of Epidemiology, School of Public Health, Iran University of Medical Sciences, Tehran, Iran