1. Ophthalmic Consultants of Boston, Boston, Massachusetts2Ophthalmology Service, Walter Reed National Military Medical Center, Bethesda, Maryland
2. Ophthalmic Consultants of Boston, Boston, Massachusetts3New England Eye Center, Tufts Medical Center, Boston, Massachusetts
3. Department of Medicine, Massachusetts General Hospital, Boston
4. Ophthalmic Consultants of Boston, Boston, Massachusetts