1. Department of Mental, Social Health and Addiction, Ministry of Health, Tehran, Iran
2. Health and Medical Sociology Group of Iranian Sociology Association, Tehran, Iran
3. Brain and Spinal Cord Injury Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
4. MS Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
5. Student Research Committee, Zabol University of Medical Sciences, Zabol, Iran
6. Department of Epidemiology, Faculty of Health, Iran University of Medical Sciences, Tehran, Iran
7. Department of Medical Urgent, Ministry of Health, Tehran, Iran
8. Research Center for Addiction & Risky Behavior (ReCARB), Psychiatric Department, Iran University of Medical Sciences, Tehran, Iran