1. Department of Anaesthesiology and Intensive Care Medicine; Sahlgrenska Academy; University of Gothenburg; Sahlgrenska University Hospital; Gothenburg Sweden
2. Department of Anaesthesiology and Intensive Care Medicine; Landspitali University Hospital; Reykjavik Iceland
3. Department of Transplantation and Liver Surgery; Sahlgrenska Academy; University of Gothenburg; Sahlgrenska University Hospital; Gothenburg Sweden