1. Student Research Committee School of Nursing and Midwifery Shahid Beheshti University of Medical Sciences Tehran Iran
2. Midwifery and Reproductive Health Research Center School of Nursing and Midwifery Shahid Beheshti University of Medical Sciences Tehran Iran
3. Department of Biostatistics School of Nursing and Midwifery Shahid Beheshti University of Medical Sciences Tehran Iran
4. Asadabad Faculty of Medical Sciences Asadabad Iran
5. Mother and Child Welfare Research Center Hormozgan University of Medical Sciences Bandar Abbas Iran
6. Department of Community Health Faculty of Medicine and Health Sciences University Putra Malaysia Serdang Selangor Malaysia
7. Department of Midwifery Mashhad Branch Islamic Azad University Mashhad Iran
8. Department of Midwifery College of Nursing & Midwifery Karaj Branch Islamic Azad University Karaj Iran