1. Department of Health Education & Promotion, Tabriz University of Medical Sciences, Tabriz, Iran
2. Iranian National Center of Addiction Studies (INCAS), Institute of Risk Behavior Reduction, Tehran University of Medical Sciences, Tehran, Iran
3. Road Traffic Injury Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
4. Department of Statistics and Epidemiology, Tabriz University of Medical Sciences, Tabriz, Iran
5. Department of Midwifery, Tabriz University of Medical Sciences, Tabriz, Iran
6. College of Education & Human Development, Texas A&M University-Corpus Christi (TAMUCC), Texas, USA