[1] Univ Toronto, Fac Med, Inst Med Sci, Toronto, ON, Canada
[2] Univ Toronto, St Michaels Hosp, Dept Surg, Div Neurosurg, Toronto, ON, Canada
[3] King Fahad Med City, Natl Neurosci Inst, Dept Neurosurg, Riyadh, Saudi Arabia
[4] Robert Wood Johnson Univ Hosp, Dept Neurol & Crit Care, New Brunswick, NJ USA
[5] Univ Toronto, Inst Clin Evaluat Sci, Li Ka Shing Ctr Healthcare Analyt Res & Training, Toronto, ON, Canada
[6] Univ Toronto, Neurosci Res Program, Keenan Res Ctr, Li Ka Shing Knowledge Inst,St Michaels Hosp, Toronto, ON, Canada
[7] Univ Toronto, St Michaels Hosp, Stroke Outcomes & Decis Neurosci Res Unit, Toronto, ON, Canada