1. Department of Materials Engineering, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
2. Centre for Hip Health and Mobility, University of British Columbia, Vancouver, BC V5Z 1M9, Canada
3. School of Biomedical Engineering, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
4. Vancouver Prostate Centre, University of British Columbia, Vancouver, BC V6H 3Z6, Canada