1. Social Determinants of Health Research Center, Research Institute for Health Development Kurdistan University of Medical Sciences Sanandaj Iran
2. Vice Chancellor for Research and Technology Kurdistan University of Medical Sciences Sanandaj Iran
3. Vice Chancellor for Health Affairs Kurdistan University of Medical Sciences Sanandaj Iran
4. Department of Epidemiology and Biostatistics, Faculty of Medicine Kurdistan University of Medical Sciences Sanandaj Iran
5. Department of Endodontics, School of Dentistry Kurdistan University of Medical Sciences Sanandaj Iran