1. Division of Surgery, Saint George Hospital, Hadath, Lebanon
2. Division of Surgery, Lebanese American University Medical Center – Rizk Hospital, Beirut, Lebanon
3. Division of Hematology-Oncology, Saint George Hospital, Hadath, Lebanon
4. Department of Intensive Care, Saint Georges Hospital, Hadath, Lebanon
5. Department of Infectious Diseases, Saint George Hospital, Hadath, Lebanon
6. Department of Pediatric Infectious Diseases, Rafic Hariri University Hospital, Beirut, Lebanon