1. Department of Gastroenterology, Hepatology and Endocrinology; Hannover Medical School; Hannover Germany
2. Integrated Research and Treatment Center Transplantation (IFB-Tx); Hannover Medical School; Hannover Germany
3. German Center for Infection Research (DZIF); partner site; Hannover-Braunschweig Germany
4. Department of Gastroenterology; Ankara University School of Medicine; Ankara Turkey
5. Department of Infectious Diseases; Robert Koch Institute; Berlin Germany
6. Department of Medicine and Research Laboratory of Internal Medicine; University of Thessaly, School of Medicine; Larissa Greece
7. Department of Gastroenterology, Hepatology and Infectious Diseases; Heinrich Heine University; Düsseldorf Germany
8. Department of Infectious Diseases; Istanbul University, Cerrahpasa School of Medicine; Istanbul Turkey
9. Division of Hepatology; Dicle University, School of Medicine; Diyarbakir Turkey
10. Division of Gastroenterology, Faculty of Medicine; Uludað University; Bursa Turkey
11. Medizinische Klinik I; Johann Wolfgang Goethe University; Frankfurt am Main Germany