1. Student Research Committee, Department of Midwifery and Reproductive Health, Faculty 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 Midwifery and Reproductive Health, Faculty of Nursing and Midwifery; Shahid Beheshti University of Medical Sciences; Tehran Iran
4. Department of Epidemiology and Biostatistics, School of Public Health; Tehran University of Medical Sciences; Tehran Iran
5. Endocrine Research Center, Research Institute for Endocrine Sciences; Shahid Beheshti University of Medical Sciences; Tehran Iran