1. From the Departments of Medicine (S.T.C., S.J.), Dermatology (S.T.C.), Radiology (R.L.C.), Pathology (A.M.S.), and Ophthalmology (A.M.S), Massachusetts General Hospital, the Departments of Medicine (S.T.C., S.J.), Dermatology (S.T.C.), Radiology (R.L.C.), Pathology (A.M.S.), and Ophthalmology (A.M.S), Harvard Medical School, and the Department of Ophthalmology, Mass Eye and Ear (A.M.S.) — all in Boston.