1 Western Centre for Public Health and Family Medicine (Thornton); Schulich School of Medicine & Dentistry (Thornton, Morley), Western University, London, Ont.; International Olympic Committee (Thornton), Lausanne, Switzerland; Division of Geriatric Medicine, Department of Medicine (Sinha), Temerty School of Medicine, University of Toronto; National Institute on Ageing (Sinha), Toronto Metropolitan University, Toronto, Ont. jane.thornton@olympic.org.
2 Western Centre for Public Health and Family Medicine (Thornton); Schulich School of Medicine & Dentistry (Thornton, Morley), Western University, London, Ont.; International Olympic Committee (Thornton), Lausanne, Switzerland; Division of Geriatric Medicine, Department of Medicine (Sinha), Temerty School of Medicine, University of Toronto; National Institute on Ageing (Sinha), Toronto Metropolitan University, Toronto, Ont.