1. Faculty of Medicine, Tishreen University, Latakia, Syria.
2. MED Research Team, Latakia, Syria.
3. Pathology Department, Faculty of Medicine, Tishreen University, Latakia, Syria.
4. Pathology Department, Al Andalus Private University, Al-Qadmous, Tartus, Syria.
5. Surgery Department, Faculty of Medicine, Tishreen University, Latakia, Syria.
6. Division of Gastroenterology, American University of Beirut Medical Center, Beirut, Lebanon.