[1] Univ Ottawa, Dept Med, 501 Smyth Rd,Room L1227, Ottawa, ON K1H 8L6, Canada
[2] Bruyere Res Inst, Ottawa, ON, Canada
[3] Ottawa Hosp, Clin Epidemiol Program, Res Inst, Ottawa, ON, Canada
[4] Univ Ottawa, Sch Epidemiol & Publ Hlth, Ottawa, ON, Canada
[5] Amer Univ Beirut, Dept Internal Med, Beirut, Lebanon
[6] Publ Hlth Agcy Canada, Ottawa, ON, Canada
[7] Hosp Sick Children, Toronto, ON, Canada
[8] Univ Toronto, Dept Med, Toronto, ON, Canada
[9] BMJ Editorial, London, England
[10] Pan Amer Hlth Org PAHO WHO, Unit Hlth Serv & Access, Washington, DC USA
[11] Dalhousie Univ, Fac Hlth, Halifax, NS, Canada
[12] Stanford Univ, Dept Med, Stanford Prevent Res Ctr, Stanford, CA 94305 USA
[13] Stanford Univ, Dept Epidemiol & Populat Hlth, Stanford, CA 94305 USA
[14] Univ Adelaide, Fac Hlth & Med Sci, JBI, Adelaide, SA, Australia
[15] Queens Univ, Sch Rehabil Therapy, Kingston, ON, Canada
[16] Fac Social Sci, Sch Psychol, Ctr Res Educ & Community Serv, Ottawa, ON, Canada
[17] WHO, Partnership Maternal Newborn & Child Hlth PMNCH, Geneva, Switzerland
[18] Western Univ, Dept Anesthesia & Perioperat Med, London, ON, Canada
[19] Western Univ, Dept Epidemiol & Biostat, London, ON, Canada
[20] Univ Split, Dept Res Biomed & Hlth, Sch Med, Split, Croatia
[21] McMaster Univ, Dept Clin Epidemiol & Biostat, Hamilton, ON, Canada
[22] Univ Sydney, NHMRC Clin Trials Ctr, Sydney, NSW, Australia
[23] Univ Plymouth, Fac Hlth, Plymouth, Devon, England
[24] Monash Univ, Sch Publ Hlth & Prevent Med, Melbourne, Vic, Australia
[25] Ottawa Hosp, Cochrane Musculoskeletal Grp, Res Inst, Ottawa, ON, Canada
[26] London Sch Hyg & Trop Med, Fac Publ Hlth & Policy, London, England
[27] Georgia State Univ, Coll Educ & Human Dev, Atlanta, GA 30303 USA
[28] Univ Ottawa, Dept Family Med, Ottawa, ON, Canada
[29] Epistemonikos Fdn, Santiago, Chile
[30] Canadian Agcy Drugs & Technol Hlth, Ottawa, ON, Canada
[31] Baruch Coll, Narendra Paul Loomba Dept Management, New York, NY USA
[32] McMaster Univ, Cochrane Canada & McMaster GRADE Ctr, Dept Hlth Res Methods Evidence & Impact, Hamilton, ON, Canada
[33] Univ Ottawa, Interdisciplinary Sch Hlth Sci, Populat Hlth, Ottawa, ON, Canada
[34] Mayo Clin, Dept Cardiovasc Med, Rochester, MN USA
[35] Cochrane, London, England
[36] Univ Montreal, Sch Rehabil, Fac Med, Montreal, PQ, Canada
[37] Univ Louisville, Louisville, KY 40292 USA
[38] Univ Ottawa, Dept Mech Engn, Ottawa, ON, Canada
[39] Univ Ottawa, Cardiovasc Res Methods Ctr, Heart Inst, Ottawa, ON, Canada
[40] George Mason Univ, Fairfax, VA 22030 USA
[41] Campbell Collaborat, Oslo, Norway