[1] New York Presbyterian Weill Cornell Med Coll, Dept Ophthalmol, New York, NY USA
[2] Kaiser Permanente Washington, Dept Ophthalmol, Silverdale, WA USA
[3] Brooke Army Med Ctr, Dept Ophthalmol, San Antonio, TX USA
[4] H Lee Moffitt Canc Ctr & Res Inst, Dept Radiat Oncol, Tampa, FL USA
[5] Johns Hopkins Univ, Wilmer Eye Inst, Dept Ophthalmol, Baltimore, MD 21218 USA
[6] Athena Eye Inst, San Antonio, TX USA
[7] Univ Texas Hlth Sci Ctr San Antonio, Dept Ophthalmol, 5282 Med Dr 610, San Antonio, TX 78229 USA