[1] Baylor Coll Med, Houston, TX 77030 USA
[2] Houston Methodist Hosp, Blanton Eye Inst, Dept Ophthalmol, Houston, TX 77030 USA
[3] Weill Cornell Med, Dept Ophthalmol, New York, NY USA
[4] Weill Cornell Med, Dept Neurol, New York, NY USA
[5] Weill Cornell Med, Dept Neurosurg, New York, NY USA
[6] Univ Texas Med Branch, Dept Ophthalmol, Galveston, TX 77555 USA
[7] Univ Texas MD Anderson Canc Ctr, Dept Ophthalmol, Houston, TX 77030 USA
[8] Texas A&M Coll Med, Dept Ophthalmol, Bryan, TX USA
[9] Univ Iowa Hosp & Clin, Dept Ophthalmol, Iowa City, IA 52242 USA