1. Student Research Committee, School of Nursing and Midwifery, Shahid Beheshti University of Medical Sciences, Tehran, Iran;
2. Reproductive Endocrinology Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran;
3. Department of Epidemiology, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran;
4. Behavioral Sciences Research Center, Life Style Institute, Nursing Faculty of Baqiyatallah University of Medical Sciences, Tehran, Iran;
5. Midwifery and Reproductive Health Research Center and Department of Midwifery and Reproductive Health, School of Nursing and Midwifery, Shahid Beheshti University of Medical Sciences, Tehran, Iran