1. Department of General Surgery, Al Zahraa Hospital, Beirut, Lebanon
2. Department of General Surgery, Mount Lebanon Hospital, Beirut, Lebanon
3. Department of General Surgery, Lebanese American University Medical Center – Rizk Hospital (LAUMCRH), Beirut, Lebanon
4. Mount Lebanon Hospital, Lebanese University, Beirut, Lebanon
5. Department of Interventional Radiology, Mount Lebanon Hospital, Beirut, Lebanon
6. Department of Radiology, Mount Lebanon Hospital, Beirut, Lebanon
7. Department of Emergency Medicine, Lebanese American University Medical Center – Rizk Hospital (LAUMCRH), Beirut, Lebanon