1. Social Determinants of Health Research Center, Research Institute for Prevention of Non-Communicable Diseases, Qazvin University of Medical Sciences, Qazvin, Iran
2. Department of Midwifery, School of Nursing and Midwifery, Guilan University of Medical Sciences, Rasht, Iran
3. Department of Biostatistics and Epidemiology, School of Health, Guilan University of Medical Sciences, Rasht, Iran