[1] Univ Toronto, Lawrence S Bloomberg Fac Nursing, Toronto, ON, Canada
[2] Sunnybrook Hlth Sci Ctr, Tory Trauma Program, Toronto, ON, Canada
[3] Hosp Sick Children, Med Surg Intens Care Unit, Toronto, ON, Canada
[4] Univ Hlth Network, Toronto Gen Hosp, Toronto, ON, Canada
[5] L Program, Ontario Ventilator Equipment Pool, Kingston, ON, Canada
[6] Sunnybrook Hlth Sci Ctr, Div Respirol, Toronto, ON, Canada
[7] Sunnybrook Res Inst, Inst Clin Evaluat Sci, Toronto, ON, Canada
[8] Univ Toronto, Temerty Fac Med, Toronto, ON, Canada
[9] Kings Coll London, Fac Nursing Midwifery & Palliat Care, London, England
[10] Guys & St ThomasNHS Fdn Trust, Dept Crit Care, London, England
[11] Guys & St Thomas NHS Fdn Trust, Lane Fox Unit, London, England
[12] Hosp Sick Children, Div Resp Med, Toronto, ON, Canada
[13] SickKids Res Inst, Clin Hlth Evaluat Sci, Toronto, ON, Canada
[14] Univ Toronto, Fac Nursing, 130-155 Coll St, Toronto, ON M5T1P8, Canada