1. McMaster University Department of Health Research Methods, Evidence, and Impact, Faculty of Health Sciences, , Hamilton, Ontario, Canada
2. Labarge Centre for Mobility in Aging , Hamilton, Ontario, Canada
3. McMaster Institute for Research on Aging , Hamilton, Ontario, Canada
4. Oakland University Department of Mathematics & Statistics, Rochester, , Rochester, MI, USA
5. McMaster University School of Rehabilitation Science, Faculty of Health Sciences, , Hamilton, Ontario, Canada
6. Centre for Surveillance and Applied Research, Public Health Agency of Canada , Ottawa, Ontario, Canada
7. University of Ottawa School of Epidemiology and Public Health, Faculty of Medicine, , Ottawa, Ontario, Canada