1. Division of Urology, Department of Surgery, American University of Beirut Medical Center, Beirut, Lebanon
2. Department of Anesthesia and Intensive Care, Hotel-Dieu de France Hospital, Saint-Joseph University Medical School, Beirut, Lebanon
3. Department of Internal Medicine, American University of Beirut Medical Center, Beirut, Lebanon
4. College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
5. Department of Anesthesiology, American University of Beirut Medical Center, PO BOX: 11-0236, Riad El Solh 1107 2020, Beirut, Lebanon
6. Division of Urology, Department of Surgery, American University of Beirut Medical Center, PO BOX: 11-0236, Riad El Solh 1107 2020, Beirut, Lebanon