1. Dalhousie University, Faculty of Medicine, Halifax, NS, Canada
2. Stan Cassidy Centre for Rehabilitation, Fredericton, NB, Canada
3. Department of Clinical Neurosciences and Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada
4. Department of Neurology and Neurosurgery, Montreal Neurological Institute and Hospital, McGill University, Montréal, QC, Canada
5. Neuromuscular Clinic, Centre de Réadaptation Lucie-Bruneau, CIUSSS-CSMTL, Montreal, QC, Canada
6. Division of Neurology, Department of Medicine, Vancouver General Hospital, University of British Columbia, Vancouver, BC, Canada
7. Division of Neurology, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada
8. Division of Neurology, University of Alberta, Edmonton, AB, Canada
9. Division of Genetics, Department of Pediatrics, Children’s Hospital of Eastern Ontario Research Institute, University of Ottawa, Ottawa, ON, Canada
10. Division of Neurology, Department of Medicine, The Ottawa Hospital Research Institute, University of Ottawa, Ottawa, ON, Canada
11. Department of Medical Genetics, Alberta Child Health Research Institute, University of Calgary, Calgary, AB, Canada
12. Department of Medicine, Laval University, Québec City, QC, Canada
13. Division of Neurology, Department of Medicine, University of Saskatchewan, Saskatoon, SK, Canada
14. Division of Neurology, Clinical Neurological Sciences, London Health Sciences Centre, Western University, London, ON, Canada