1. Student Research Committee, Department of Midwifery and Reproductive Health, School of Nursing and Midwifery , Shahid Beheshti University of Medical Sciences , Tehran , Iran
2. Department of Midwifery and Reproductive Health, School of Nursing and Midwifery, Shahid Beheshti University of Medical Sciences , Tehran , Iran
3. Department of Population and Family Health , Ministry of Health and Medical Education , Tehran , Iran