1. Center for Human and Clinical Genetics; Leiden University Medical Center; Leiden; The Netherlands
2. Department of Clinical Genetics; Erasmus Medical Center Rotterdam; Rotterdam; The Netherlands
3. Department of Neurology; St.; Antonius Hospital; Nieuwegein; The Netherlands
4. Department of Neurology; Erasmus Medical Center Rotterdam; Rotterdam; The Netherlands
5. Department of Pathology; Erasmus Medical Center; Rotterdam; The Netherlands
6. Department of Neurology; Radboud University Nijmegen Medical Centre; Donders Institute for Brain; Cognition and Behavior; Nijmegen; The Netherlands