[1] Western Univ, Dept Med, London, England
[2] Western Univ, Dept Epidemiol & Biostat, London, England
[3] Western Univ, Dept Surg, London, England
[4] McMaster Univ, Dept Hlth Res Methods Evidence & Impact, Hamilton, ON, Canada
[5] McMaster Univ, Dept Med, Hamilton, ON, Canada
[6] McMaster Univ, Dept Surg, Hamilton, ON, Canada
[7] Univ Ottawa, Dept Surg, Ottawa, ON, Canada
[8] Univ Ottawa, Dept Med, Ottawa, ON, Canada
[9] Univ Texas MD Anderson Canc Ctr, Dept Expt Therapeut Canc Med & Immunol, Houston, TX 77030 USA
[10] Univ Manitoba, Dept Surg, Winnipeg, MB, Canada
[11] Univ Calgary, Dept Med, Calgary, AB, Canada
[12] Univ Montreal, Fac Med, Montreal, PQ, Canada
[13] Yale Univ, Sch Med, Dept Med, Program Appl Translat Res, New Haven, CT 06510 USA
[14] Yale Univ, Sch Med, Sect Nephrol, New Haven, CT USA
[15] Laurentian Univ, Dept Anesthesia, Sudbury, ON, Canada
[16] Univ Toronto, Dept Med, Toronto, ON, Canada
[17] Univ Alberta, Dept Med, Edmonton, AB, Canada