1. Department of Health Education and Promotion; School of Public Health; Tehran University of Medical Sciences; Tehran Iran
2. Research Center for Health Sciences; Department of Epidemiology; School of Public Health; Hamadan University of Medical Sciences; Hamadan Iran
3. School of Paramedical Sciences; Qom University of Medical Sciences; Qom Iran
4. Students Research Committee; Department of Public Health; Hamadan University of Medical Sciences; Hamadan Iran