1. Gait and Brain Lab, Division of Geriatric Medicine, and Lawson Health Research Institute, Parkwood Institute University of Western Ontario Ontario London Canada
2. Department of Physical Therapy, Ribeirão Preto Medical School University of São Paulo São Paulo Brazil
3. Gait and Brain Laboratory Lawson Health Research Institute London Ontario Canada
4. Neuroscience, Mobility and Balance Laboratory, Department of Kinesiology and Health Sciences University of Waterloo Waterloo Ontario Canada
5. Department of Medicine (Neurology) Ottawa Hospital Research Institute, University of Ottawa Brain and Mind Research Institute Ottawa Ontario Canada
6. Division of Neurology, Department of Medicine, Schulich School of Medicine and Dentistry Western University London Ontario Canada
7. Cognitive and Movement Disorders Clinic, Division of Neurology, Department of Medicine, Sunnybrook Health Sciences Centre University of Toronto Toronto Ontario Canada
8. L.C. Campbell Cognitive Neurology Research Unit, Hurvitz Brain Sciences Program, Department of Medicine (Neurology), Sunnybrook Research Institute, Sunnybrook HSC University of Toronto Toronto Ontario Canada
9. Division of Neurology, Department of Medicine St Michael's Hospital and University of Toronto Toronto Ontario Canada
10. Robarts Research Institute, Schulich School of Medicine and Dentistry Western University London Ontario Canada
11. Rotman Research Institute at Baycrest Hospital University of Toronto Toronto Ontario Canada
12. School of Communication Sciences and Disorders, Faculty of Health Sciences, Canadian Centre for Activity and Aging Western University London Ontario Canada
13. Department of Computer Science Western University London Ontario Canada
14. Dalla Lana School of Public Health University of Toronto Toronto Ontario Canada
15. Department of Ophthalmology and Visual Sciences Research Institute of the McGill University Health Center Montreal Quebec Canada
16. Centre for Clinical Brain Sciences University of Edinburgh Edinburgh UK
17. Anne Rowling Regenerative Neurology Clinic University of Edinburgh Edinburgh UK
18. Usher Institute of Population Health Sciences and Informatics University of Edinburgh Edinburgh UK
19. Edmond J Safra Program in Parkinson's Disease, Toronto Western Hospital University of Toronto Toronto Ontario Canada
20. Centre for Neuroscience Studies Queen's University Kingston Ontario Canada
21. Graduate Department of Psychological Clinical Science University of Toronto Scarborough Toronto Ontario Canada
22. Faculty of Engineering and Applied Science, Queen's University Kingston Ontario Canada
23. Neuropsychology and Cognitive Health Program, Baycrest Health Sciences, Department of Psychology University of Toronto Toronto Ontario Canada
24. Nova Scotia Health Halifax Nova Scotia, Canada
25. Division of Neurology, Department of Medicine, Edmond J Safra Program in Parkinson's Disease and Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital University of Toronto Toronto Ontario Canada
26. Department of Medical Biophysics, Schulich School of Medicine and Dentistry, Robarts Research Institute Western University London Canada
27. Division of Geriatric Medicine, Department of Medicine, Schulich School of Medicine and Dentistry Western University London Ontario Canada