1. School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX, USA
2. Blanton Eye Institute, Houston Methodist Hospital, Houston, TX, USA
3. Department of Ophthalmology, Neurology, and Neurosurgery, Weill Cornell Medicine, New York, NY, USA
4. Department of Ophthalmology, University of Texas Medical Branch, Galveston, TX, USA
5. Department of Ophthalmology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
6. Department of Ophthalmology, The University of Iowa Hospitals and Clinics, Iowa City, IA, USA