1. Physical Medicine and Rehabilitation Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
2. Tabriz University of Medical Sciences, Tabriz, Iran.
3. Injury Epidemiology & Prevention Research Center, Statistics and Epidemiology Department, School of Health & Nutrition, Tabriz University of Medical Sciences, Tabriz, Iran.
4. Department of Physical Medicine and Rehabilitation, Iran University of Medical Sciences, Tehran, Iran.