1. School of Nursing and Allied Medical Sciences, Semnan University of Medical Sciences, Semnan, Iran
2. Department of Health Services Management, School of Health Management and Information Sciences, Iran University of Medical Sciences, Tehran, Iran
3. School of Health Management and Information Sciences, Iran University of Medical Sciences, No. 6, Rashid Yasemi Street, Vali-e-asr Avenue, Tehran 1995614111, Iran
4. Emergency Department, 7th Tir Hospital, Iran University of Medical Sciences, Tehran, Iran