1. Department of Ophthalmology, Centro Médico Zambrano Hellion, San Pedro Garza García, México
2. Department of Ophthalmology, University of Texas Medical Branch, Galveston, TX, USA
3. Department of Ophthalmology, University of Texas Health Science Center San Antonio School of Medicine, San Antonio, TX, USA
4. Department of Ophthalmology, Blanton Eye Institute, Houston Methodist Hospital, Houston, TX, USA
5. Departments of Ophthalmology, Neurology, and Neurosurgery, Weill Cornell Medicine, New York City, NY, USA
6. Section of Ophthalmology, UT MD Anderson Cancer Center, Houston, TX, USA
7. Department of Ophthalmology, Baylor College of Medicine, Houston, TX, USA