1 Albert Einstein College of Medicine & Montefiore Medical Center, Bronx, New York.
2 BostonSight, Needham, Massachusetts.
3 Shiley Eye Institute, University of California, San Diego, California.
4 Clinical Trials Branch, Division of Epidemiology and Clinical Applications, National Eye Institute/National Institutes of Health, Bethesda, Maryland.
5 University of Washington Eye Institute, Seattle, Washington.
6 Francis I Proctor Foundation and Department of Ophthalmology, University of California, San Francisco, San Francisco, California.