1. Obstetrics and Gynecology Department , St Joseph University , Beirut , Lebanon
2. Bellevue Medical Center Hospital , Hotel-Dieu de France Hospital , Beirut , Lebanon
3. Faculty of Medicine , St Joseph University , Beirut , Lebanon
4. Hotel-Dieu de France Hospital , Beirut , Lebanon
5. Pediatrics Department , St Joseph University , Beirut , Lebanon
6. Bellevue Medical Center Hospital , Beirut , Lebanon