1. Massachusetts Eye and Ear, Harvard Medical School, Boston, Massachusetts
2. Discipline of Ophthalmology, Save Sight Institute, The University of Sydney, Sydney, Australia
3. Department of Ophthalmology, Blanton Eye Institute, Houston Methodist Hospital, Houston, Texas
4. Departments of Ophthalmology, Neurology, and Neurosurgery, Weill Cornell Medicine, New York, New York
5. Department of Ophthalmology, University of Texas Medical Branch, Galveston, Texas
6. Department of Ophthalmology, University of Texas MD Anderson Cancer Center, Houston, Texas
7. Department of Ophthalmology, The University of Iowa Hospitals and Clinics, Iowa City, Iowa