1. Department of Environmental Health Engineering, School of Health, Mashhad University of Medical Sciences, Mashhad, Iran
2. Social Determinants of Health Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
3. Department of Epidemiology and biostatics, School of Health, Mashhad University of Medical Sciences, Mashhad, Iran
4. School of Civil and Environmental Engineering, University of Technology Sydney (UTS), Ultimo, NSW, Australia