1. Children’s Hospital of Eastern Ontario Research Institute, Ottawa, ON K1H 8L1, Canada
2. Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada
3. Centre for Neuromuscular Disease, University of Ottawa Brain and Mind Research Institute, Ottawa, ON K1H 8M5, Canada
4. Division of Neurology, Department of Medicine, The Ottawa Hospital, Ottawa, ON K1H 8L6, Canada
5. Brain and Mind Research Institute, University of Ottawa, Ottawa, ON K1H 8M5, Canada
6. Department of Neuropediatrics and Muscle Disorders, Faculty of Medicine, Medical Center—University of Freiburg, 79104 Freiburg, Germany
7. Centro Nacional de Análisis Genómico (CNAG-CRG), Center for Genomic Regulation, Barcelona Institute of Science and Technology (BIST), 08028 Barcelona, Catalonia, Spain
8. Department of Clinical Neurosciences, University of Cambridge, Cambridge CB3 0FD, UK