1. Department of Gastroenterology, Hepatology and Endocrinology Hannover Medical School Hannover Germany
2. Institute for Virology Essen University Hospital and Medical Faculty of the University of Duisburg‐Essen Essen Germany
3. University Medical Centre Hamburg‐Eppendorf Hamburg Germany
4. German Center for Infectious Disease Research (DZIF) HepNet Study‐House Hannover Germany
5. National Institute for Infectious Diseases Prof.Dr.Matei Bals Bucharest Romania
6. Spitalul Clinic de Boli Infectioase si Timisoara Romania
7. Dicle University Medical Faculty Diyarbakir Turkey
8. Ege University Medical Faculty Izmir Turkey
9. Uludağ University Medical Faculty Bursa Turkey
10. Johann Wolfgang Goethe University Medical Center Frankfurt/Main Germany
11. Heinrich Heine University Düsseldorf Germany
12. Center of Internal Medicine II University Hospital Brandenburg Brandenburg Medical School Brandenburg Germany
13. School of Medicine National and Kapodistrian University of Athens Athens Greece
14. Department of Gastroenterology Ankara University Medical School Ankara Turkey
15. Department of Gastroenterology and Hepatology Koç University Medical School Istanbul Turkey
16. Department of Gastroenterology and Hepatology Essen University Hospital and Medical Faculty of the University of Duisburg‐Essen Essen Germany