1. Division of Neurology, Department of Medicine, University of Alberta, Edmonton, Canada
2. Departments of Clinical Neurosciences, Radiology, Medicine, and Community Health Sciences, University of Calgary, Calgary, Alberta, Canada
3. Hotchkiss Brain Institute, Calgary, Alberta, Canada
4. Libin Cardiovascular Institute, University of Calgary, Calgary, Alberta, Canada
5. Division of Cardiology, Department of Medicine, University of Alberta, Edmonton, Canada