[1] Univ Ottawa, Dept Med, Div Crit Care, Ottawa, ON, Canada
[2] Gemeinschaftspraxis Bayerwald, Bavaria, Germany
[3] Univ Ottawa, Dept Med, Ottawa, ON, Canada
[4] Univ Ottawa, Ottawa Hosp Res Inst, Clin Epidemiol, Ottawa, ON, Canada
[5] Inst Savoir Montfort, Ottawa, ON, Canada