1. Social Determinants of Health Research Center, Sabzevar University of Medical Sciences, Sabzevar, Iran
2. Social Determinants of Health Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
3. Department of Health Education and Health Promotion, Faculty of Health, Mashhad University of Medical Sciences, Mashhad, Iran
4. Department of Public Health, School of Health, Torbat Heydariyeh University of Medical Science, Torbat Heydariyeh, Iran
5. Department of Medical Education Brighton and Sussex Medical School, University of Brighton Falmer Campus, Brighton, UK