1. Department of Paediatrics, Copenhagen University Hospital, Rigshospitalet, Denmark
2. Department of Clinical Genetics, Copenhagen University Hospital, Rigshospitalet, Denmark
3. Department of Neurology, Copenhagen University Hospital, Rigshospitalet, Denmark
4. Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
5. Department of Clinical Neurophysiology, Copenhagen University Hospital, Rigshospitalet, Denmark