1. Division of Hepatology, Department of Medicine II, University Hospital Würzburg, Würzburg, Germany
2. Experimental Hepatology and Drug Targeting, CIBERehd, IBSAL, University of Salamanca, Salamanca, Spain
3. Department of Medicine II, University Hospital Freiburg, Freiburg, Germany
4. Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, Hannover, Germany