1. Department of Emergency, Joseph Bracops Hospital, Bruxelles, Belgium
2. Department of Digestive Surgery, Joseph Bracops Hospital, Bruxelles, Belgium
3. Department of Surgery, Lebanese American University Medical Center, Rizk Hospital, Beirut, Lebanon
4. Department of Gasteroenterology, Lebanese American University Medical Center, Rizk Hospital, Beirut, Lebanon
5. Department of Surgery, Lebanese University, Beirut, Lebanon