Affiliation: | 1. MRC Centre for Neuropsychiatric Genetics and Genomics, Institute of Psychological Medicine & Clinical Neurosciences, Cardiff University, , Cardiff, UK;2. Department of Paediatric Neurology, Evelina Children's Hospital, St Thomas' Hospital, , London, UK;3. Roald Dahl EEG Department, Alder Hey Children's Hospital, , Liverpool, UK;4. Royal Belfast Hospital for Sick Children, , Belfast, UK;5. Department of Paediatric Neurology, University Hospital of Wales, , Cardiff, UK;6. Department of Paediatrics, Royal Gwent Hospital, , Newport, UK;7. ICH‐Neurosciences Unit, University College London, , London, UK;8. Dubowitz Neuromuscular Centre, Great Ormond Street Hospital, , London, UK;9. Paediatric Neurology, Children's University Hospital, , Dublin, Ireland |