[1] Univ Ottawa, Populat Hlth, Fac Hlth Sci, Ottawa, ON, Canada
[2] Ottawa Hosp Res Inst, Ottawa, ON, Canada
[3] Laval Univ, CHU Quebec Res Ctr, Site Hosp St Francois Assise Quebec City, Quebec City, PQ, Canada
[4] Univ Ottawa, Fac Med, Sch Epidemiol & Publ Hlth, Ottawa, ON, Canada
[5] Univ Ottawa, Sch Nursing, Ottawa, ON, Canada
[6] Childrens Hosp Eastern Ontario, Ottawa, ON, Canada