1. A. Mansfield, PhD, is Postdoctoral Fellow, Heart and Stroke Foundation Centre for Stroke Recovery, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada, and Toronto Rehabilitation Institute, Toronto, Ontario, Canada. She was affiliated with the Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada, and the Centre for Studies in Aging, Sunnybrook Health Sciences Cent
2. A.L. Peters, MHK, is Research Assistant, Sobell Department of Motor Neuroscience and Movement Disorders, University College London Institute of Neurology, London, United Kingdom. She was affiliated with the Centre for Studies in Aging, Sunnybrook Health Sciences Centre, at the time the study was conducted.
3. B.A. Liu, MD, is Associate Scientist, Clinical Integrative Biology–Brain Sciences Program, Sunnybrook Health Science Centre, and Assistant Professor, Department of Medicine, University of Toronto.
4. B.E. Maki, PhD, is Senior Scientist and Director, Centre for Studies in Aging, Sunnybrook Health Sciences Centre, 2075 Bayview Ave, Toronto, Ontario, M4N 3M5 Canada. He also is Professor, Department of Surgery, University of Toronto, and is affiliated with the Toronto Rehabilitation Institute.