Douglas Archibald1, Clare Liddy1, Erin J Keely1. 1. Dr. Archibald and Dr. Liddy are with the C. T. Lamont Primary Health Care Research Centre, Department of Family Medicine, University of Ottawa, Ottawa, and the Bruyère Research Institute, Ottawa. Dr. Keely is with the Department of Medicine, University of Ottawa, and the Division of Endocrinology/Metabolism, Ottawa Hospital, Ottawa.