1. Department of Medicine, University of Toronto, Toronto, ON, Canada/MS Clinic, St. Michael’s Hospital, Toronto, ON, Canada
2. Departments of Epidemiology, Biostatistics and Occupational Health and Medicine, Faculty of Medicine and Health Sciences, McGill University, Montreal, QC, Canada/Research Institute of the McGill University Health Centre, Montreal, QC, Canada
3. Division of Neurology, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
4. Department of Medicine, University of Ottawa, Ottawa, ON, Canada/Ottawa Hospital Research Institute, Ottawa, ON, Canada
5. Western University, London, ON, Canada/London Health Sciences Centre, London, ON, Canada
6. Department of Medicine, University of Toronto, Toronto, ON, Canada/Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada
7. Departments of Clinical Neurosciences and Community Health Sciences, University of Calgary, Calgary, AB, Canada
8. St. Michael’s Hospital, Toronto, ON, Canada/Applied Health Research Centre and MAP Centre for Urban Health Solutions, Li Ka Shing Knowledge Institute, St Michael’s Hospital, Unity Health Toronto, Toronto, ON, Canada/Division of Biostatistics, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada
9. St. Michael’s Hospital, Toronto, ON, Canada
10. Department of Sociology, University of New Brunswick, Fredericton, NB, Canada
11. Departments of Medicine and Community Health Sciences, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada