1. Departments of Ophthalmology and Visual Sciences, Neurology & Neurosurgery, McGill University, Montreal, Quebec, Canada
2. National Eye Institute, National Institutes of Health, Bethesda, Maryland, United States
3. Departments of Neurology, Ophthalmology, and Population Health, New York University Grossman School of Medicine, New York, New York, United States
4. Departments of Neurology, Ophthalmology, and Neurosurgery, Icahn School of Medicine at Mount Sinai and New York Eye and Ear Infirmary, New York, New York, United States
5. Neuro-Ophthalmology Division, Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States