1 Department of Surgery, Section of Hepatobiliary Surgery and Liver Transplantation, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
2 Department of Critical Care, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands.
3 Department of Surgery, Section of Hepatobiliary Surgery and Liver Transplantation, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands. Electronic address: v.e.de.meijer@umcg.nl.