1. Department of Epidemiology, Research Center for Environmental Determinants of Health (RCEDH)Kermanshah University of Medical Sciences Kermanshah Iran
2. Torbat Jam Faculty of Medical Sciences Torbat Jam Iran
3. Student Research Committee, Department of Epidemiology, School of Public Health and SafetyShahid Beheshti University of Medical Sciences Tehran Iran
4. Safety Promotion and Injury Prevention Research Center, Department of Epidemiology, School of Public Health and SafetyShahid Beheshti University of Medical Sciences Tehran Iran
5. Student Research Committee, Department of Environmental Health Engineering, School of Public Health and SafetyShahid Beheshti University of Medical Sciences Tehran Iran
6. Health Education and Health Promotion, Social Development & Health Promotion Research CenterKermanshah University of Medical Sciences Kermanshah Iran
7. Medical Biology Research CenterKermanshah University of Medical Sciences Kermanshah Iran