1. Department of Radiology, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
2. Department of Internal Medicine, Division of Nephrology, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
3. Department of Anaesthesiology, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
4. Department of Surgery, Division of Transplant Surgery, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands