1. Department of Internal Medicine 1; Goethe University Hospital; Frankfurt Germany
2. Gastro Study Center, Berlin; Berlin Germany
3. ifi-institute for interdisciplinary medicine; Hamburg Germany
4. University Hospital Würzburg; Würzburg Germany
5. Center for HIV and Hepatogastroenterology; Düsseldorf Germany
6. Universitätsklinikum Schleswig-Holstein; Kiel Germany
7. Gastroenterology-Hepatology Center Kiel; Kiel Germany
8. Hepatologische Schwerpunktpraxis Herne; Herne Germany
9. e.factum GmbH; Butzbach Germany
10. Hepatologische Praxis; Leverkusen Germany
11. University Hospital Leipzig; Leipzig Germany
12. Hannover Medical School; Hannover Germany