[1] Univ Toronto, Dept Surg, Toronto, ON, Canada
[2] Mt Sinai Hosp, Dept Surg, Div Gen Surg, Toronto, ON, Canada
[3] Mt Sinai Hosp, Zane Cohen Ctr Digest Dis, Toronto, ON, Canada
[4] Sinai Hlth Syst, Lunenfeld Tanenbaum Res Inst, Toronto, ON, Canada
[5] Univ Toronto, Lawrence S Bloomberg Fac Nursing, Toronto, ON, Canada
[6] Univ Toronto, Inst Hlth Policy Management & Evaluat, Toronto, ON, Canada
[7] St Michaels Hosp, Div Neurosurg, Toronto, ON, Canada
[8] Univ Toronto, Dept Publ Hlth, Dalla Lana Sch Publ Hlth, Toronto, ON, Canada
[9] McMaster Univ, Dept Surg, Div Gen Surg, Hamilton, ON, Canada
[10] St Michaels Hosp, Div Gen Surg, Toronto, ON, Canada
[11] St Michaels Hosp, Li Ka Shing Knowledge Inst, Toronto, ON, Canada
[12] Univ Hlth Network, Peter Munk Cardiac Ctr, Div Vasc Surg, Toronto, ON, Canada