1. Nursing and Midwifery Care Research Center, Department of Midwifery and Reproductive Health, School of Nursing and Midwifery, Tehran University of Medical Sciences, Tehran, Iran
2. Reproductive Health Research Center, Midwifery Department, Faculty of Nursing and Midwifery, Urmia University of Medical Sciences, Urmia, Iran
3. Department of Midwifery, Shohada Hospital, Qom University of Medical Sciences, Qom, Iran
4. Population and Family's Health Unit, Bonab City, Tabriz, Iran
5. Department of Midwifery, Faculty of Nursing and Midwifery, Tabriz University of Medical Sciences, Tabriz, Iran
6. Social Determinants of Health Research Center, Department of Midwifery, Tabriz University of Medical Sciences, Tabriz, Iran