1. Department of Geriatric Health, Faculty of Health Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
2. Research Centre for Evidence-based Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
3. Department of Biostatistics and Epidemiology, School of Public Health, Tabriz University of Medical Sciences, Tabriz, Iran
4. Research Centre for Integrative Medicine in Aging, Tabriz University of Medical Sciences, Tabriz, Iran