1. Department of Neurology, Maastricht University Medical Center, Maastricht, The Netherlands
2. School for Mental Health & Neuroscience, Maastricht University, Maastricht, The Netherlands
3. Center for Neurological Learning Disabilities, Kempenhaeghe, Heeze, The Netherlands
4. Holland Bloorview Kids Rehabilitation Hospital, Bloorview Research Institute, Toronto, Canada
5. Department of Pediatrics, University of Toronto, Toronto, Canada
6. Hospital for Sick Children, Toronto, Canada