1. Department of Pathology and Medical Biology; University of Groningen, University Medical Center Groningen; Groningen The Netherlands
2. Department of Surgery; University of Groningen, University Medical Center Groningen; Groningen The Netherlands
3. Department of Cardiology; University of Groningen, University Medical Center Groningen; Groningen The Netherlands
4. Department of Nephrology, Hypertension and Clinical Pharmacology; University Hospital Bern, Inselspital; Bern Switzerland