1. Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
2. Faculty of Health Sciences, Queen’s University, Kingston, ON, Canada
3. Division of Neurology, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada
4. Harquail Centre for Neuromodulation, Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, ON, Canada
5. Toronto General Hospital, Ellen and Martin Prosserman Centre for Neuromuscular Disease, Toronto, ON, Canada, and
6. Division of Neurology, University of Toronto, Toronto, ON, Canada