1. Department of Gastroenterology, Hepatology, Infectious Diseases & Endocrinology, Hannover Medical School, 30625 Hannover, Germany
2. Institut für Biochemie, Biotechnologie und Bioinformatik, Abteilung Medizinische Biotechnologie, Technische Universität Braunschweig, 38106 Braunschweig, Germany
3. Department I of Internal Medicine, Tumor Genetics, University Hospital of Cologne, Center for Molecular Medicine Cologne (CMMC), University of Cologne, 50933 Cologne, Germany
4. Department of Liver Transplantation, Multi Organ Transplant Program, University Health Network, University of Toronto, Toronto, ON M5T 0S8, Canada
5. Institute of Medical Microbiology, University Hospital Essen, University Duisburg-Essen, 47057 Essen, Germany