[1] Univ Ottawa, Sch Nursing, Ottawa, ON, Canada
[2] Ottawa Hosp Res Inst, Clin Epidemiol Program, Ottawa, ON, Canada
[3] Univ Ottawa, Sch Epidemiol & Publ Hlth, Ottawa, ON, Canada
[4] Deakin Univ, Sch Nursing & Midwifery, Geelong, Australia
[5] Barwon Hlth, Geelong, Australia