1. Department of Human Genetics, Donders Institute for Brain, Cognition, and Behavior, Radboud University Medical Centre, 6525 GA Nijmegen, The Netherlands
2. Center for Molecular Neurology, University of Antwerp, 2610 Antwerp, Belgium
3. Institute Born-Bunge, University of Antwerp, 2610 Antwerp, Belgium
4. Neuromuscular Reference Centre, Department of Neurology, Antwerp University Hospital, 6520 Antwerp, Belgium
5. Department of Neurology, Donders Institute for Brain, Cognition, and Behavior, Radboud University Medical Centre, 6525 GC Nijmegen, The Netherlands