1. Department of Internal Medicine, Section Transplantation, Erasmus Medical Centre, University Hospital, 's-Gravendijkwal 230, 3015 CE Rotterdam, The Netherlands
2. Willem Pompe Institute for Criminal Law and Criminology, Utrecht University, Utrecht, The Netherlands
3. Criminology Department, Erasmus School of Law, Erasmus University Rotterdam, The Netherlands
4. Department of Public Health, Radboud University Nijmegen, The Netherlands