1 Department of Ophthalmology, Harvard Medical School, Massachusetts Eye and Ear Infirmary, Boston, Massachusetts.
2 Department of Ophthalmology, Harvard Medical School, Massachusetts Eye and Ear Infirmary, Boston, Massachusetts; Department of Ophthalmology, Park Nicollet Clinic, St. Louis Park, Minnesota.
3 Department of Ophthalmology, Harvard Medical School, Massachusetts Eye and Ear Infirmary, Boston, Massachusetts. Electronic address: lucia_sobrin@meei.harvard.edu.