1. School of Medical Sciences, Tarbiat Modares University, Tehran, Iran
2. Social Determinants of Health Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran
3. Department of Public Health, Maragheh University of Medical Scienses, Maragheh, Iran
4. Social Determinants of Health Research Center, Gonabad University of Medical Science, Gonabad, Iran