1. Department of Internal Medicine I; University of Bonn; Bonn Germany
2. Institiute of Liver and Digestive Health; University College London Medical School Royal Free Hospital Campus; London UK
3. Department of Hepatology and Gastroenterology; Aarhus University Hospital; Aarhus Denmark
4. Department of Internal Medicine II; University of Bonn; Bonn Germany
5. Isansys Limited, Milton Park; Oxford UK
6. European Foundation for the Study of Chronic Liver Failure; Barcelona Spain
7. Department of Internal Medicine I; University of Frankfurt am Main; Frankfurt Germany