[1] Univ Toronto, Dept Ophthalmol & Vis Sci, Toronto, ON, Canada
[2] Univ Toronto, Temerty Fac Med, Toronto, ON, Canada
[3] Univ Toronto, Inst Biomed Engn, Fac Appl Sci & Engn, Toronto, ON, Canada
[4] McMaster Univ, Dept Hlth Res Methods Evidence & Impact HEI, Hamilton, ON, Canada
[5] St Michaels Hosp Unity Hlth Toronto, Dept Ophthalmol, Toronto, ON, Canada
[6] Hosp Sick Children, Dept Ophthalmol & Vis Sci, Toronto, ON, Canada
[7] Sunnybrook Hlth Sci Ctr, John & Liz Tory Eye Ctr, Toronto, ON, Canada