1. Internal Medicine 1, University Hospital Erlangen, Germany
2. Department of Internal Medicine, District Hospital Ebersberg, Germany
3. Department of Internal Medicine 1, Municipal Hospital Steinenberg, Reutlingen, Germany
4. Department of Gastroenterology, Municipal Hospital (Waldklinikum Gera gGmbH), Gera, Germany
5. Central Interdisciplinary Ultrasound, Municipal Hospital Trier (Barmherzige Brüder), Trier, Germany
6. Department of Gastroenterology, Central Ultrasound Unit, University Hospital Leipzig, Germany
7. Department of Internal Medicine 1, University Hospital Regensburg, Germany
8. Department of Internal Medicine 1, University Hospital Mainz, Germany
9. Department of Internal Medicine 1, Municipal Hospital (Schwarzwald-Baar), Villingen-Schwenningen, Germany
10. Department of Internal Medicine B, Gastroenterology, District Hospital (Ruppiner Kliniken), Neuruppin, Germany
11. Department of Internal Medicine 2, Municipal Hospital (Caritas), Bad Mergentheim, Germany
12. Department of Internal Medicine/Gastroenterology, Municipal Hospital (Sana Kliniken Lübeck GmbH), Lübeck, Germany
13. Surgery, University Hospital Dresden, Germany
14. Department of Internal Medicine 1, University Hospital Frankfurt, Germany
15. Department of Internal Medicine 1, Municipal Hospital (Karl-Olga-Krankenhaus), Stuttgart, Germany
16. Department of Internal Medicine, District Hospital Helfenstein, Geislingen, Germany
17. Department of Internal Medicine, District Hospital (Krankenhaus Märkisch Oderland GmbH), Wriezen, Germany
18. Department of Medicine and Gastroenterology, Municipal Hospital (Katharinen), Stuttgart, Germany
19. Innere Medicine, District Hospital (SRH Kliniken Sigmaringen), Sigmaringen, Germany
20. Department of Interal Medicine and Gastroenterology, District Hospital Rems-Murr, Winnenden, Germany
21. Depatment of Internal Medicine, Hospital St Hedwig, Berlin, Germany
22. Department of Internal Medicine, Israeli Hospital, Hamburg, Germany
23. Gastroenterology, Hospital Vivantes Humboldt, Berlin, Germany
24. Department of Medicine 2 and Gastroenterology, District Hospital Helios Meiningen, Germany
25. Department of Internal Medicine, District Hospital Gummersbach, Germany
26. Department of Internal Medicine, Hospital Albertinen, Hamburg, Germany
27. Gastroenterology, St. Josefs Hospital (Helios), Bochum, Germany
28. Department of Internal Medicine 2, Municipal Hosital Düren, Germany
29. Department of Internal Medicine, Hospital Leonberg, Germany
30. Department of Internal Medicine, District Hospital Köthen, Germany
31. Campus Innenstadt Gastroenterology, University Hospital Munich, Germany