Anna E Westra1, Wendy Bos2, Adam F Cohen3. 1. Erasmus University Medical Centre, Department of Medical Ethics and Philosophy of Medicine, 3000 CA Rotterdam, Netherlands a.e.westra@lumc.nl. 2. Erasmus University Medical Centre, Department of Medical Ethics and Philosophy of Medicine, 3000 CA Rotterdam, Netherlands. 3. Centre for Human Drug Research, Zernikedreef 10, 2333 CL, Leiden, Netherlands.