1. Obstetrics and Gynecology Department Yas HospitalTehran University of Medical Sciences Tehran Iran
2. Obstetrics and Gynecology Department Baqiyatallah HospitalBaqiyatallah University of Medical Sciences Tehran Iran
3. Department of Pathology Faculty of Medicine Yas HospitalTehran University of Medical Sciences Tehran Iran
4. Obstetrics and Gynecology Department Baharloo HospitalTehran University of Medical Sciences Tehran Iran