[1] Univ Waterloo, Dept Kinesiol, Waterloo, ON N2L 3G1, Canada
[2] Toronto Rehabil Inst, Toronto, ON, Canada
[3] McMaster Univ, Dept Kinesiol, Hamilton, ON L8S 4L8, Canada
[4] McMaster Univ, Hamilton Hlth Sci, Dept Med, Hamilton, ON L8S 4L8, Canada
[5] Univ Ottawa, Dept Med, Ottawa, ON K1N 6N5, Canada
[6] Ottawa Hlth Res Inst, Dept Clin Epidemiol, Ottawa, ON, Canada
[7] McMaster Univ, Dept Clin Epidemiol & Biostat, Hamilton, ON, Canada
[8] McMaster Univ, St Josephs Healthcare, Dept Med, Hamilton, ON, Canada