Yuko Kono1, Andrej Lyshchik2, David Cosgrove3, Christoph F Dietrich4, Hyun-Jung Jang5, Tae Kyoung Kim5, Fabio Piscaglia6, Juergen K Willmann7, Stephanie R Wilson8, Cynthia Santillan9, Avinash Kambadakone10, Donald Mitchell2, Alexander Vezeridis9, Claude B Sirlin9. 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.