1. Shahid Beheshti OB&GYN Hospital Isfahan University of Medical Sciences, Isfahan, Iran
2. Nursing and Midwifery Sciences Development Research Center, Najafabad Branch, Islamic Azad University, Najafabad, Iran
3. Department of Midwifery, Shoushtar Faculty of Medical Sciences, Shoushtar, Iran
4. Department of Midwifery, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran