[1] Univ Ottawa, Childrens Hosp Eastern Ontario, Ottawa, ON, Canada
[2] Univ Ottawa, Childrens Hosp Eastern Ontario Res Inst, Ottawa, ON, Canada
[3] Univ Ottawa, Fac Med, Ottawa, ON, Canada
[4] Univ Ottawa, Ctr Hlth Law Policy & Eth, Ottawa, ON, Canada
[5] Canadian Blood Serv, Ottawa, ON, Canada
[6] Carleton Univ, Ottawa, ON, Canada
[7] Ottawa Hosp Res Inst, Dynam Anal Lab, Ottawa, ON, Canada
[8] Ottawa Hosp Res Inst, Clin Epidemiol Program, Ottawa, ON, Canada
[9] Ottawa Hosp Res Inst, Clin Epidemiol Program Methods Ctr, Ottawa, ON, Canada
[10] Ottawa Hosp, Dept Crit Care & Gen Surg, Ottawa, ON, Canada
[11] Ottawa Hosp, Dept Surg, Ottawa, ON, Canada
[12] Ottawa Hosp, Div Thorac Surg, Ottawa, ON, Canada
[13] Univ Ottawa Heart Inst, Intervent Cardiol Program, Ottawa, ON, Canada
[14] St Michaels Hosp, Dept Crit Care Trauma & Neurosurg Program, Toronto, ON, Canada
[15] Unity Hlth St Michaels Hosp, Li Ka Shing Knowledge Inst, Toronto, ON, Canada
[16] Univ Toronto, Toronto, ON, Canada
[17] Univ Toronto, Mt Sinai Hosp, Toronto, ON, Canada
[18] Univ Toronto, Interdept Div Crit Care Med, Toronto, ON, Canada
[19] Canadian Donat & Transplantat Res Program, Toronto, ON, Canada
[20] Dalhousie Univ, Dept Crit Care, Halifax, NS, Canada
[21] Dalhousie Univ, Dept Anesthesia, Halifax, NS, Canada
[22] Queens Univ, Dept Med, Kingston, ON, Canada
[23] Queens Univ, Dept Crit Care Med, Kingston, ON, Canada
[24] Univ Montreal Hosp, Res Ctr, Dept Med Crit Care, Montreal, PQ, Canada
[25] McGill Univ, Div Pulm Med, Dept Crit Care, Montreal, PQ, Canada
[26] McGill Univ Hlth Ctr & Res Inst, Montreal, PQ, Canada
[27] Transplant Quebec, Montreal, PQ, Canada
[28] Montreal Childrens Hosp, Div Crit Care, Montreal, PQ, Canada
[29] Univ Sherbrooke, Dept Anesthesiol, Sherbrooke, PQ, Canada
[30] Ctr Hosp Univ CHU Sherbrooke, Ctr Rech, Sherbrooke, PQ, Canada
[31] Univ Calgary, Cumming Sch Med, Dept Crit Care Med, Calgary, AB, Canada
[32] Univ Calgary, Cumming Sch Med, Dept Community Hlth Sci, Calgary, AB, Canada
[33] Univ Calgary, Cumming Sch Med, Dept Med, Calgary, AB, Canada
[34] Univ Calgary, Dept Crit Care Med, Calgary, AB, Canada
[35] Univ Calgary, Dept Clin Neurosci, Calgary, AB, Canada
[36] Alberta Hlth Serv, Calgary Zone, Calgary, AB, Canada
[37] Western Univ, Dept Clin Neurol Sci, London Hlth Sci Ctr, London, ON, Canada
[38] Western Univ, Schulich Sch Med & Dent, London, ON, Canada
[39] Western Univ, Kings Univ Coll, Dept Psychol, London, ON, Canada
[40] Western Univ, Dept Med, London, ON, Canada
[41] Western Univ, Brain & Mind Inst, London, ON, Canada
[42] Univ British Columbia, Dept Med, Div Crit Care, Vancouver, BC, Canada
[43] Univ British Columbia, Dept Anesthesia, Div Crit Care, Vancouver, BC, Canada
[44] Univ Alberta, Fac Med & Dent, Dept Crit Care Med, Edmonton, AB, Canada
[45] McMaster Univ, Dept Med, Hamilton, ON, Canada
[46] Hamilton Hlth Sci Ctr, Hamilton, ON, Canada
[47] CHU Quebec, Ctr Mere Enfant Soleil, Div Pediat Intens Care, Quebec City, PQ, Canada
[48] Univ Laval, Fac Med, Dept Pediat, Quebec City, PQ, Canada
[49] Univ Pittsburgh, Sch Med, Crit Care Med Dept, Safar Ctr Resuscitat Res, Pittsburgh, PA USA
[50] Charles Univ Prague, Fac Med 3, Prague, Czech Republic