[1] Bond Univ, Ctr Res Evidence Based Practice, Robina, Qld, Australia
[2] St Michaels Hosp, Li Ka Shing Knowledge Inst, Toronto, ON, Canada
[3] Univ Toronto, Dept Med, Toronto, ON, Canada
[4] Western Norway Univ Appl Sci, Fac Hlth & Social Sci, Dept Hlth & Functioning, Bergen, Norway
[5] Stellenbosch Univ, Fac Med & Hlth Sci, Div Epidemiol & Biostat, Ctr Evidence Based Hlth Care, Cape Town, South Africa
[6] South African Med Res Council, Cochrane South Africa, Cape Town, South Africa
[7] Monash Univ, Sch Publ Hlth & Prevent Med, Med Educ Res & Qual Unit, Melbourne, Vic, Australia
[8] Univ Alabama, Dept Vet Affairs, Tuscaloosa, AL 35487 USA
[9] Univ Alabama, Dept Gen Internal Med, Tuscaloosa, AL 35487 USA
[10] McMaster Univ, Fac Hlth Sci, Dept Hlth Res Methods Evidence & Impact, Hamilton, ON, Canada