1. Gastroenterology and Endoscopy Unit, Nazareth Hospital EMMS, Nazareth, Israel
2. Medical School for International Health, Ben Gurion University of the Negev, Beer Sheva, Israel
3. Department of Anesthesiology, Nazareth Hospital EMMS, Nazareth, Israel
4. Department of General Surgery, Nazareth Hospital EMMS, Nazareth, Israel
5. Faculty of Medicine, Bar-Ilan University, Ramat Gan, Israel