1. Department of Ophthalmology, University of Cambridge, Cambridge, United Kingdom
2. Department of Ophthalmology, Michigan Medicine, University of Michigan, Ann Arbor, Michigan
3. Center for Space Medicine, Baylor College of Medicine, Houston, Texas
4. Department of Ophthalmology, Blanton Eye Institute, Houston Methodist Hospital, Houston, Texas
5. Department of Ophthalmology, The Houston Methodist Research Institute, Houston Methodist Hospital, Houston, Texas
6. Departments of Ophthalmology, Neurology and Neurosurgery, Weill Cornell Medicine, New York, NY, United States
7. Department of Ophthalmology, University of Texas Medical Branch, Galveston, Texas
8. University of Texas MD Anderson Cancer Center, Houston, Texas