1. Institute of Gastroenterology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
2. Division of Gastroenterology, NYU Langone Medical Center, New York, New York, United States
3. Department of Gastroenterology, Rambam Health Care Campus, Haifa, Israel
4. Institute of Gastroenterology, Laniado Hospital, Netanya, Israel
5. Department of Internal Medicine and Gastroenterology, St. Marienkrankenhaus Frankfurt, Frankfurt, Germany
6. Department of Gastroenterology, Hadassah Medical Center, Jerusalem, Israel