1. Department of Neurology, Radboud University Nijmegen Medical Center, Nijmegen, the Netherlands.
2. Department of Intensive Care Medicine, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands.
3. Department of Anesthesiology, VU University Medical Center, Amsterdam, the Netherlands.
4. Department of Neurology, University Medical Center Groningen, Groningen, the Netherlands.
5. Department of Neurosurgery, Erasmus Medical Center, Rotterdam, the Netherlands.
6. Center for Medical Decision Making, Department of Public Health, Erasmus Medical Center, Rotterdam, the Netherlands.