Kenneth M Madden1, David E Harris2, Graydon S Meneilly2. 1. Gerontology and Diabetes Research Laboratory, Division of Geriatric Medicine, Department of Medicine, Centre for Hip Health and Mobility, University of British Columbia, Vancouver, British Columbia, Canada. 2. Gerontology and Diabetes Research Laboratory, Division of Geriatric Medicine, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada.