1. Department of Neurosurgery, Erasmus University Medical Centre Rotterdam, Rotterdam, The Netherlands;
2. Department of Neurosurgery, Amsterdam University Medical Centre, University of Amsterdam, Amsterdam, The Netherlands;
3. Amsterdam Neuroscience Centre, Neurovascular Disease, Amsterdam, The Netherlands;
4. Department of Legal Affairs, The Dutch Health and Youth Care Inspectorate, Utrecht, The Netherlands;
5. Erasmus University Rotterdam, Erasmus School of Health Policy and Management, Rotterdam, The Netherlands;
6. Department of Neurosurgery, Leiden University Medical Center, Leiden, The Netherlands;
7. Department of Neurosurgery, Haaglanden Medical Center, The Hague, The Netherlands;
8. Faculty of Law, Leiden University School of Law, Leiden, The Netherlands