[1] Univ Hlth Network, Div Endocrinol, Toronto, ON, Canada
[2] Univ Hlth Network, Dept Med, Toronto, ON, Canada
[3] Univ Toronto, Toronto, ON, Canada
[4] McMaster Univ, Dept Med, Hamilton, ON, Canada
[5] Univ Waterloo, Dept Kinesiol, Waterloo, ON N2L 3G1, Canada
[6] St Josephs Healthcare, Ctr Evaluat Med, Hamilton, ON, Canada
[7] McMaster Univ, Dept Clin Epidemiol & Biostat, Hamilton, ON, Canada
[8] St Josephs Healthcare, Dept Med, Div Rheumatol, Hamilton, ON, Canada
[9] McMaster Univ, Ctr Hlth Econ & Policy Anal, Hamilton, ON, Canada
[10] St Josephs Healthcare, Program Assessment Technol Hlth, Hamilton, ON, Canada
[11] Hamilton Hlth Sci, Div Geriatr, Hamilton, ON, Canada
[12] Hamilton Hlth Sci, Dept Med, Hamilton, ON, Canada