机构:
Univ Montreal, Dept Ophthalmol, Montreal, PQ, Canada
Univ Dev High Valley, Rio Do Sul, Brazil
ABC Paulista, Fac Med, Ophthalmol Dept, Santo Andre, Brazil
Maisonneuve Rosemont Hosp, Res Ctr, Montreal, PQ, CanadaUniv Montreal, Dept Ophthalmol, Montreal, PQ, Canada