1. Surgical Research Laboratory and Section of Hepatobiliary Surgery and Liver Transplantation Department of Surgery University of Groningen University Medical Center GroningenGroningenthe Netherlands
2. Surgical Research Laboratory and Department of Internal Medicine University of Groningen University Medical Center Groningen Groningen the Netherlands
3. Division of Gastroenterology and Hepatology Center for Coagulation in Liver Disease University of Virginia Medical Center Charlottesville VA USA