1. Addiction Institute, Mazandaran University of Medical Sciences, Sari, Iran
2. Health Sciences Research Center, Mazandaran University of Medical Sciences, Sari, Iran
3. Department of Public Health, Faculty of Health, Mazandaran University of Medical Sciences, Sari, Iran
4. Department of Community Medicine, Zabol University of Medical Sciences, Zabol, Iran
5. Amol Faculty of Paramedics, Mazandaran University of Medical Sciences, Sari, Iran