1. Department of Gastroenterology and Hepatology; Section of Hepatobiliary Surgery and Liver Transplantation; University of Groningen; University Medical Center Groningen; Groningen the Netherlands
2. Department of Microbiology; Section of Hepatobiliary Surgery and Liver Transplantation; University of Groningen; University Medical Center Groningen; Groningen the Netherlands
3. Department of Surgery; Section of Hepatobiliary Surgery and Liver Transplantation; University of Groningen; University Medical Center Groningen; Groningen the Netherlands