1. Medical Department I/Gastroenterology, Sana Hospital Lichtenberg, 10365 Berlin, Germany
2. Department of Internal Medicine, Krankenhaus Märkisch-Oderland, 15344 Strausberg, Germany
3. Brandenburg Institute for Clinical Ultrasound (BICUS), Medical University Brandenburg, 16816 Neuruppin, Germany
4. Translational Gastroenterology Unit, Oxford University Hospitals, OX3 9DU Oxford, UK
5. Medical Department, Helios Klinikum Meiningen, 98617 Meiningen, Germany
6. Second Department of Internal Medicine, Wakayama Medical University, Wakayama City 641-8509, Japan
7. Division of Pancreatobiliary Endoscopy and Endosonography, IRCCS San Raffaele Scientific Institute, Vita-Salute San Raffaele University, 20132 Milan, Italy
8. Medical Clinic—Department for Gastroenterology and Rheumatology, Klinikum Wuerzburg Mitte, 97070 Wuerzburg, Germany
9. Department of Radiology, GB Rossi University Hospital, University of Verona, 37129 Verona, Italy
10. Department of Medical and Surgical Sciences, Gastrointestinal Unit, University of Bologna/Hospital of Imola, 40126 Bologna, Italy
11. Department of Gastroenterology Hepatology and Nutrition, UTMD Anderson Cancer Center, Houston, TX 77030-4009, USA
12. Department of Ultrasound, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai 200092, China
13. Department of Endoscopy Center, Shengjing Hospital of China Medical University, Shenyang 110022, China
14. Department Allgemeine Innere Medizin der Kliniken (DAIM) Hirslanden Beau Site, Salem und Permanence, 3013 Bern, Switzerland