1. School of Public Health, University of Alberta, Edmonton, Alberta, Canada
2. Cardiovascular Diseases Research Center, Birjand University of Medical Sciences, Birjand, Iran
3. Social Determinants of Health Research Center, Department of Public Health, Faculty of Health, Birjand University of Medical sciences, Birjand, Iran
4. Department of Epidemiology and Biostatistics, Medical School, Rafsanjan University of Medical Sciences, Rafsanjan, Iran