1. Department of Occupational Health Engineering, School of Health, Tabriz University of Medical Sciences, Tabriz, Iran
2. Occupational Health Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
3. Department of Ergonomics, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
4. Research Center for Health Sciences, Institute of Health, Shiraz University of Medical Sciences, Shiraz, Iran
5. Department of Aging and Health, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
6. Elderly Health Research Center, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
7. Department of Statistics and Epidemiology, School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran
8. Center for the Development of Interdisciplinary Research in Islamic Sciences and Health sciences, Tabriz University of Medical Sciences, Tabriz, Iran