1. Clinic of Medicine HMR Hospital Trust, Department of Medicine, Division of Gastroenterology & Hepatology; Aalesund Hospital; Aalesund Norway
2. Mech-Sense, Department of Gastroenterology & Hepatology, Aalborg University Hospital and Clinical Institute; Aalborg University; Aalborg Denmark
3. Centre for Digestive Diseases, Blizard Institute, Wingate Institute of Neurogastroenterology, Barts and the London School of Medicine & Dentistry; Queen Mary University of London; London United Kingdom
4. Department of Gastroenterology; University Hospitals of North Midlands; Stoke on Trent United Kingdom
5. Division of Gastroenterology, Rabin Medical Center, Beilinson Campus, Petach Tikva & Sackler School of Medicine; University of Tel Aviv; Israel
6. Department of Medicine, Division of Gastrointestinal and Liver Diseases, University of Southern California; Keck School of Medicine; Los Angeles California