1. Department of Medicine, University of California, San Diego, United States
2. Department of Radiology, Thomas Jefferson University Hospitals, Philadelphia, United States
3. Imperial and King’s Colleges, London, UK
4. Innere Medizin 2, Caritas-Krankenhaus, Bad Mergentheim, Germany
5. Department of Medical Imaging, University of Toronto, Canada
6. Dept of Medical and Surgical Sciences, Div. Internal Medicine, Bologna, Italy
7. Department of Radiology, Stanford University, Stanford, United States
8. Radiology and Medicine, Division of Gastroenterology, University of Calgary, Canada
9. Radiology, University of California, San Diego, United States
10. Radiology, Massachusetts General Hospital, Boston, United States