1. Emergency Medicine Research Team, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
2. Department of Statistics and Epidemiology, Faculty of Health, Tabriz University of Medical Sciences, Tabriz, Iran
3. Bayburt State Hospital Department of Emergency Medicine, Bayburt, Turkey
4. Student Research Committee, Resident of Emergency Medicine, Tabriz University of Medical Sciences, Tabriz, Iran