1. Division of Gastroenterology, Department of Surgery, Oncology and Gastroenterology; University of Padua; Padua Italy
2. Department of Surgical and Diagnostic Integrated Sciences; University of Genoa; Genoa Italy
3. Division of General and Bariatric Surgery, Department of Surgery; Second University of Naples; Naples Italy
4. Division of Gastroenterology, Department of Internal Medicine; Catholic Kwandong University College of Medicine, International St. Mary's Hospital; Incheon South Korea
5. Division of Cardiothoracic Surgery, Surgical Outcomes Research Center; University of Washington; Seattle Washington
6. Department of Gastroenterology and Hepatology; Gunma University Hospital; Maebashi Japan
7. Division of Gastroenterology; Palo Alto Medical Foundation; Mountain View California
8. Department of Gastroenterology and Hepatology, Mech-Sense; Aalborg University Hospital; Aalborg Denmark
9. Department of Medicine; North Jutland Regional Hospital; Hjørring Denmark
10. Division of Gastroenterology and Hepatology, Department of Medicine; Johns Hopkins University; Baltimore Maryland