1. Department of Surgery, Division of Hepato-Pancreatico-Biliary Surgery & Liver Transplantation, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
2. Department of Internal Medicine, Division Endocrinology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
3. Department of Radiology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
4. Department of Surgery, Division of Surgical Oncology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.