1. Tabriz Health Services Management Research Center; Tabriz University of Medical Sciences; Tabriz Iran
2. Tabriz Health Services Management Research Centre, Faculty of Management and Medical Informatics; Tabriz University of Medical Sciences; Tabriz Iran
3. Road and Traffic Injury Research Centre, Department of Statistics and Epidemiology, Faculty of Health; Tabriz University of Medical Sciences; Tabriz Iran
4. Research Centre of Psychiatry and Behavioral Sciences; Tabriz University of Medical Sciences; Tabriz Iran
5. Liver and Gastrointestinal Disease Research Centre; Tabriz University of Medical Sciences; Tabriz Iran