1. Mother and Child Care Research Center, Hamadan University of Medical Sciences, Hamadan, Iran.
2. Modeling of Noncommunicable Diseases Research Center, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran.
3. Obstetrician-Gynecologist, Kermanshah University of Medical Sciences, Kermanshah, Iran.
4. Department of Midwifery, Nursing and Midwifery School, Hamadan University of Medical Sciences, Hamadan, Iran.