1. Department of Informatics, The Faculty of Mathematics and Natural Sciences, University of Oslo, Oslo, Norway
2. Siemens Healthcare AS, Oslo, Norway
3. The Intervention Centre, Oslo University Hospital Rikshospitalet, Oslo, Norway
4. Siemens Healthcare GmbH, Forchheim, Germany
5. Department of HPB Surgery, Oslo University Hospital Rikshospitalet, Oslo, Norway
6. Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway