1. Department of Gerontology, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
2. Iranian Research Centre on Aging, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
3. Department of Epidemiology, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran
4. Modeling of Noncommunicable Diseases Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
5. Department of Public Health, Social Determinants of Health Research Center, Hamadan University of Medical Sciences, Hamadan, Iran