[1] Ottawa Hosp Res Inst, Clin Epidemiol Program, Ottawa, ON, Canada
[2] Univ Ottawa, Dept Anesthesiol & Pain Med, Ottawa, ON, Canada
[3] Univ Ottawa, Fac Med, Ottawa, ON, Canada
[4] Univ Ottawa, Dept Innovat Med Educ, Ottawa, ON, Canada
[5] Inst Savoir Montfort, Ottawa, ON, Canada
[6] Univ Ottawa, Fac Educ, Ottawa, ON, Canada
[7] Ottawa Hosp, Dept Anesthesiol & Pain Med, 501 Smyth Rd Ottawa, Ottawa, ON K1H 8M2, Canada