1. Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
2. Rahat Breath and Sleep Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
3. Tuberculosis and Lung Disease Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
4. Department of Statistics and Epidemiology, School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran
5. Center for the Development of Interdisciplinary Research in Islamic Sciences and Health Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
6. Tabriz Health Services Management Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
7. Health and Environment Research Center, Tabriz University of Medical Sciences, Tabriz, Iran