1. Safety Promotion and Injury Prevention Research Center, School of Management and Medical Education Shahid Beheshti University of Medical Sciences Tehran Iran
2. School of Management and Medical Education Shahid Beheshti University of Medical Sciences Tehran Iran
3. Health Policy and Management Department Bushehr University of Medical Sciences Bushehr Iran
4. Department of Orthopedic Surgery Jundishapur University of Medical Sciences Ahvaz Iran
5. Department of Epidemiology, School of Allied Medical Sciences, School of Public Health and Safety Shahid Beheshti University of Medical Sciences Tehran Iran