1. Department of Gastroenterology and Hepatology, Hillel Yaffe Medical Center (Affiliated to the Technion Faculty of Medicine, Haifa, Israel), Hadera, Israel
2. Department of Internal Medicine, Hillel Yaffe Medical Center (Affiliated to the Technion Faculty of Medicine, Haifa, Israel), Hadera, Israel
3. Department of Gastroenterology, Nazareth EMMS Hospital (Affiliated with the Faculty of Medicine, Bar Illan University), Nazareth, Israel