1. Students Research committee, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran;
2. Department of Epidemiology, School of Public Health, Research Center for Health Sciences, Hamadan University of Medical Sciences, Hamadan, Iran;
3. Department of Public Health, School of Health, Social Determinants of Health Research Center, Hamadan University of Medical Sciences, Hamadan, Iran;
4. Department of Ergonomics, School of Health, Research Center for Health Sciences, Hamadan University of Medical Sciences, Hamadan, Iran;
5. Clinical Research Development Center, Department of Internal Medicine, Qom University of Medical Sciences, Qom, Iran;
6. Institute of Social Medicine and Epidemiology, Medical University of Graz, Graz, Austria