1. Department of Internal Medicine, Krankenhaus Märkisch Oderland Strausberg/Wriezen, Strausberg, Germany
2. Department of Radiology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
3. Alma Mater Studiorum, University of Bologna, Bologna, Italy
4. Department Allgemeine Innere Medizin, Kliniken Hirslanden Beau Site, Salem und Permanence, Bern, Switzerland
5. National Centre for Ultrasound in Gastroenterology, Haukeland University Hospital, Bergen, and Department of Clinical Medicine, University of Bergen, Norway
6. Radiology, King’s College London, London, United Kingdom
7. University of Medicine and Pharmacy, Craiova, and Ponderas Academic Hospital Bucharest, Romania
8. Gastroenterology, University of Medicine and Pharmacy Timisoara, Timisoara, Romania
9. Department of Radiology, “Sapienza” University of Rome, Rome, Italy
10. Center for Anatomy and Cell Biology, Medical University of Vienna and Radiology, Hanusch Hospital, Vienna, Austria