[1] Univ Louisville, Sch Med, Dept Ophthalmol, Louisville, KY 40292 USA
[2] Doheny Eye Inst, 1355 San Pablo St, Los Angeles, CA 90033 USA
[3] Univ Calif Los Angeles, David Geffen Sch Med, Los Angeles, CA 90095 USA
[4] Houston Methodist Hosp, Houston, TX 77030 USA
[5] Retina Consultants Texas, Houston, TX USA