[1] McMaster Univ, Dept Hlth Res Methods Evidence & Impact, Hamilton, ON, Canada
[2] Catholic Univ Croatia, Ctr Evidence Based Med & Hlth Care, Zagreb, Croatia
[3] Witten Herdecke Univ, Inst Res Operat Med, Cologne, Germany
[4] Univ Basel, Inst Clin Epidemiol & Biostat, Dept Clin Res, Basel, Switzerland
[5] Univ Basel Hosp, Basel, Switzerland
[6] Univ Oxford, Nuffield Dept Orthopaed Rheumatol & Musculoskelet, Ctr Stat Med, Oxford, England
[7] Ottawa Hosp Res Inst, Ctr Journalol, Clin Epidemiol Program, Ottawa, ON, Canada
[8] Univ Ottawa, Sch Epidemiol & Publ Hlth, Fac Med, Ottawa, ON, Canada
[9] Univ Ottawa, Sch Epidemiol & Publ Hlth, Fac Med, Ottawa, ON, Canada
[10] Univ Ottawa, Dept Med, Ottawa, ON, Canada
[11] Bruyere Res Inst, Ottawa, ON, Canada
[12] McGill Univ, Fac Med, Montreal, PQ, Canada
[13] Jewish Gen Hosp, Lady Davis Inst Med Res, Montreal, PQ, Canada
[14] Copenhagen Univ Hosp, Copenhagen Trial Unit, Rigshosp, Copenhagen, Denmark
[15] Univ Southern Denmark, Fac Heath Sci, Dept Reg Hlth Res, Odense, Denmark
[16] Indiana Univ, Dept Epidemiol & Biostat, Sch Publ Hlth Bloomington, Bloomington, IN USA
[17] Stellenbosch Univ, Div Epidemiol & Biostat, Ctr Evidence Based Hlth Care, Fac Med & Hlth Sci, Cape Town, South Africa
[18] Univ Toronto, Womens Coll Res Inst, Dept Med, Toronto, ON, Canada
[19] McMaster Univ, Dept Hlth Res Methods Evidence & Impact, Hamilton, ON, Canada
[20] McMaster Univ, Dept Paediat, Hamilton, ON, Canada
[21] McMaster Univ, Dept Anaesthesia, Hamilton, ON, Canada
[22] St Josephs Healthcare Hamilton, Biostat Unit, Father Sean OSullivan Res Ctr, Hamilton, ON, Canada
[23] St Josephs Healthcare Hamilton, Ctr Evaluat Med, Hamilton, ON, Canada
[24] Hamilton Hlth Sci, Populat Hlth Res Inst, Hamilton, ON, Canada
[25] St Josephs Healthcare Hamilton, Biostat Unit, Father Sean OSullivan Res Ctr, Hamilton, ON, Canada