1. Department of Pediatric Neurology, Amalia Children's Hospital, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands
2. Department of Neurology and Clinical Neurophysiology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands
3. University Childrens Hospital, Paracelsus Medical University Salzburg, Salzburg, Austria
4. Department of Metabolic Diseases, Radboud University Medical Center, Nijmegen, The Netherlands