1. Department of Obstetrics and Gynecology, Rafik Hariri Hospital University Medical Center, Beirut, Lebanon
2. Department of Obstetrics and Gynecology, Lebanese American University, Beirut, Lebanon
3. Department of Obstetrics and Gynecology, Beirut Arab University, Beirut, Lebanon
4. Department of Surgical Pathology and Cytology. Rafik Hariri Hospital University Medical Center, Beirut, Lebanon
5. Lebanese University, Beirut, Lebanon
6. Department of Obstetrics and Gynecology, Lebanese University, Beirut, Lebanon