1. Clinical Research Professor, Department of Gerontology, Simon Fraser University, Vancouver, British Columbia, Canada
2. Associate Professor, School of Nursing & Michael Smith Foundation for Health Research Scholar, University of British Columbia, Vancouver, British Columbia, Canada
3. Assistant Professor, Health and Exercise Sciences, University of British Columbia, Okanagan, Kelowna, British Columbia, Canada
4. Department of Gerontology, Simon Fraser University, Vancouver, British Columbia, Canada