1. Department of Community Medicine, School of MedicineArdabil University of Medical Sciences Ardabil Iran
2. Social Determinants of Health Research CenterArdabil University of Medical Sciences Ardabil Iran
3. Department of Clinical Epidemiology, School of Health and SafetyShahid Beheshti University of Medical Sciences Tehran I Iran
4. Safety Promotions and Injury Prevention Research CentreShahid Beheshti University of Medical Sciences Tehran I Iran