Neuromuscul Disord 2020 Dec 19. Epub 2020 Dec 19.
Dubowitz Neuromuscular Centre, NIHR Great Ormond Street Hospital Biomedical Research Centre, Great Ormond Street Institute of Child Health, University College London, & Great Ormond Street Hospital Trust, London, UK; Dubowitz Neuromuscular Centre, Great Ormond Street Hospital for Children, London, UK. Electronic address: