[1] Univ Ottawa, Dept Anesthesiol & Pain Med, Ottawa, ON, Canada
[2] Ottawa Hosp Res Inst, Clin Epidemiol Program, Ottawa, ON, Canada
[3] Univ Ottawa, Fac Med, Dept Innovat Med Educ, Ottawa, ON, Canada
[4] Univ Ottawa, Montfort Hosp, Inst Savoir Montfort, Ottawa, ON, Canada
[5] Univ Ottawa, Fac Educ, Ottawa, ON, Canada
[6] St Michaels Hosp, Li Ka Shing Knowledge Inst, Toronto, ON, Canada
[7] Univ Ottawa, Sch Epidemiol & Publ Hlth, Ottawa, ON, Canada
[8] Ottawa Hosp, Main Operating Room,Gen Campus, Ottawa, ON, Canada
[9] Univ Toronto, Dept Gen Surg, Toronto, ON, Canada
[10] Univ Ottawa, Dept Med, Dalla Lana Sch Publ Hlth, Ottawa, ON, Canada
[11] Univ Ottawa, Dept Obstet & Gynecol, Ottawa, ON, Canada
[12] Univ Ottawa, Dept Gen Surg, Ottawa, ON, Canada