1. School of nursing and midwifery, Hamadan university of medical sciences, Hamadan, Iran
2. Departmen of Emergency Medicine, School of Medicine Besat Hospital , Hamadan university of medical sciences, Hamadan, Iran
3. Department of Epidemiology & Biostatistics, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran
4. Medical School, Hamadan university of medical sciences, Hamadan, Iran
5. Research Center for Health Sciences, Hamadan University of Medical Sciences, Hamadan, Iran