1. Program in Liberal Medical Education, Brown University, Providence, Rhode Island
2. Section of Ophthalmology, Providence VA Medical Center, Providence, Rhode Island
3. Shiley Eye Institute, University of California San Diego, La Jolla, California
4. Departments of Ophthalmology and Public Health Sciences, Penn State College of Medicine, Hershey, Pennsylvania
5. Division of Ophthalmology, Alpert Medical School, Brown University, Providence, Rhode Island
6. Office of Academic Affiliations, U.S. Department of Veterans Affairs, Washington, District of Columbia