1. Department of Internal Medicine I; University of Bonn; Bonn Germany
2. Department of Radiology; University of Bonn; Bonn Germany
3. Department of Radiodiagnostic and Interventional Radiology; Lausanne University Hospital; Lausanne Switzerland
4. Division of Gastroenterology; University of Alberta; Alberta Canada
5. Department of Gastroenterology, Odense Hospital; University of Southern Denmark; Odense Denmark
6. European Foundation for the Study of Chronic Liver Failure; Barcelona Spain
7. Institute for Bioengineering of Catalonia; Barcelona Spain