1. Department of Neurology and Neurosurgery, Haaglanden Medical Center (HMC), The Hague, The Netherlands.
2. Department of Neurology and Neurosurgery, Leiden University Medical Center (LUMC), Leiden, The Netherlands.
3. Department of Neurology, Elisabeth—TweeSteden Ziekenhuis (ETZ), Tilburg, The Netherlands.
4. Department of Neurology, Isala Hospital Zwolle, Zwolle, The Netherlands.
5. Department of Neurosurgery, Erasmus Medical Center (EMC), Rotterdam, The Netherlands.
6. Department of Public Health and Medical Decision Making, Erasmus Medical Center (EMC), Rotterdam, The Netherlands.
7. Department of Neurology and Neurosurgery, Haga Teaching Hospital, The Hague, The Netherlands.