1. Division of Neurology, Department of Medicine, University of Toronto and University Health Network, Toronto, Canada,
2. Institute of Health Policy, Management and Evaluation, Dalla Lana School of Public Health, University of Toronto, Toronto, Canada,
3. Department of Communication Sciences and Disorders, MGH Institute of Health Professions, Boston, MA, USA,
4. Speech and Hearing Biosciences and Technology Program, Harvard University, Cambridge, MA, USA,
5. Department of Speech-Language Pathology, University of Toronto, Toronto, Canada,
6. Harvard Medical School, Department of Neurology, Massachusetts General Hospital (MGH), Boston, Massachusetts, USA,
7. Department of Clinical Neurosciences, Hotchkiss Brain Institute, University of Calgary, Calgary, Canada,
8. Montreal Neurological Institute, Neurosurgery, McGill University, Montreal, Canada,
9. Department of Clinical Neurological Sciences, University of Western Ontario, London, Canada,
10. Division of Neurology, University of British Columbia, Vancouver, Canada,
11. Department of Medicine, Division of Neurology, Sunnybrook Health Sciences Centre, Toronto, Canada,
12. Hurvitz Brain Sciences Program, Sunnybrook Research Institute, Toronto, Canada,
13. Neuroscience and Mental Health Institute, University of Alberta, Edmonton, Canada,
14. Division of Neurology, University of Alberta, Edmonton, Canada,
15. L.C. Campbell Cognitive Neurology Research Unit, Sunnybrook Research Institute, University of Toronto, Toronto, Canada, and
16. Toronto Rehabilitation Institute, University Health Network, Toronto, Canada