1. HIV/STI Surveillance Research Center, and WHO Collaborating Center for HIV Surveillance, Institute for Futures Studies in Health, Kerman University of Medical Sciences, Kerman, Iran
2. Research Center for Environmental Determinant of Health, Kermanshah University of Medical Sciences, Kermanshah, Iran
3. Iranian National Center for Addiction Studies (INCAS), Tehran University of Medical Sciences (TUMS), Tehran, Iran
4. Adolescent and Youth Heath Office, Ministry of Health and Medical Education, Tehran, Iran
5. Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran