1. Infertility and Health Reproductive Research Center; Health Research Institute; Babol University of Medical Sciences; Babol Iran
2. Clinical Research Development Center of Rohani Hospital; Babol University of Medical Sciences; Babol Iran
3. Department of Gynecology and Obstetrics; School of Medicine; Babol University of Medical Sciences; Babol Iran
4. Student Committee Research Department of Obstetrics and Gynecology; Babol University of Medical Sciences; Babol Iran
5. Georgetown University; Washington DC USA
6. Cancer Research Center; Health Research Institute; Babol University of Medical Sciences; Babol Iran
7. Social Determinants of Health Research Center; Health Research Institute; Babol University of Medical Sciences; Babol Iran
8. Mobility Impairment Research Center; Health Research Institute; Babol University of Medical Sciences; Babol Iran
9. Department of Statistics and Epidemiology; School of Medicine; Babol University of Medical Sciences; Babol Iran