[1] Univ British Columbia, Ctr Hip Hlth & Mobil, 2635 Laurel St, Vancouver, BC V6H 3Z6, Canada
[2] Univ British Columbia, Fac Med, Dept Family Practice, 3rd Floor,5950 Univ Blvd, Vancouver, BC V6T 1Z3, Canada
[3] Simon Fraser Univ, 8888 Univ Dr, Burnaby, BC V5A 1S6, Canada