1. Department of Obstetrics and Gynecology, American University of Beirut Medical Center, P.O. Box 113-6044, Beirut, Lebanon
2. Department of Pathology and Laboratory Medicine, American University of Beirut Medical Center, P.O. Box 113-6044, Beirut, Lebanon
3. Department of Surgery, American University of Beirut Medical Center, P.O. Box 113-6044, Beirut, Lebanon