1. Department of NeurologyAmsterdam University Medical Centre, Amsterdam Neuroscience Amsterdam The Netherlands
2. Department of Clinical GeneticsLeiden University Medical Centre Leiden The Netherlands
3. Department of NeurologyOLVG‐West Hospital Amsterdam The Netherlands
4. Department of NeurologyLeiden University Medical Centre Leiden The Netherlands
5. Department of NeurologyMaastricht University Medical Centre Maastricht The Netherlands
6. Department of NeurologyUniversity Medical Centre Groningen Groningen The Netherlands
7. Department of NeurologyErasmus MC University Medical Centre Rotterdam The Netherlands
8. Department of NeurologyRadboud University Medical Centre Nijmegen The Netherlands
9. Department of NeurologyCanisius Wilhelmina Hospital Nijmegen Nijmegen The Netherlands
10. Department of NeurologyRudolf Magnus Institute of Neuroscience, University Medical Center Utrecht The Netherlands
11. Department of Human GeneticsRadboud University Medical Centre Nijmegen The Netherlands