1. Department of Surgery, Maastricht University Medical Centre, Maastricht, The Netherlands
2. Department of Surgery, Division of Vascular and Transplant Surgery, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
3. Department of Methodology and Statistics, Maastricht University Medical Centre, Maastricht, The Netherlands
4. Department of Internal Medicine, Division of Nephrology, Maastricht University Medical Centre, Maastricht, The Netherlands
5. Department of Nephrology, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands