1. Department of Neurology and Neurosurgery, Brain Center, University Medical Center, Utrecht University, Utrecht, the Netherlands
2. Department of Neurology, University Hospital Heidelberg, University of Heidelberg, Heidelberg, Germany
3. Department of Neurology, Rijnstate, Arnhem, the Netherlands
4. Faculty of Science and Technology, University of Twente, Enschede, the Netherlands
5. Unité de Recherche Clinique, Assistance Publique–Hôpitaux de Paris, Lariboisière Hospital, Paris, France
6. Department of Neurology, Assistance Publique–Hôpitaux de Paris, Lariboisière Hospital, Paris, France
7. Neurology Centre, Ramsay-Générale de Sante, Hôpital Privé d’Antony, Antony, Paris, France
8. Neurosurgery Clinic, Pauls Stradins Clinical University Hospital, Riga, Latvia
9. Department of Neurology, Xuanwu Hospital Capital Medical University, Beijing, China
10. Neurology Department, Medical School Hospital, Ege University, İzmir, Turkey
11. Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
12. Department of Neurology, University of Würzburg, Würzburg, Germany