1. Department of Neurosurgery, Elisabeth-Tweesteden Hospital Tilburg, 5022 GC Tilburg, The Netherlands
2. Department of Cognitive Neuropsychology, Tilburg University, 5037 AB Tilburg, The Netherlands
3. Department of Mathematics and Computer Science, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
4. Hôpitaux de Paris, University of Paris, 75006 Paris, France
5. Service of Neurosurgery, Lariboisière Hospital, 75010 Paris, France