1. Research Center for Environmental Determinants of Health (RCEDH), Kermanshah University of Medical Sciences, Kermanshah, Iran;
2. Student Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran;
3. Department of Environmental Health Engineering, School of Health, Hamadan University of Medical sciences, Hamadan, Iran;
4. Student Research Committee, Department of Environmental Health Engineering, School of Public Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran