1. Neuro-Ophthalmology Service, Department of Ophthalmology, De Gironcoli Hospital, Conegliano, Italy
2. Department of Ophthalmology, Blanton Eye Institute, Houston Methodist Hospital, Houston, Texas, USA
3. Baylor College of Medicine, Houston, Texas, USA
4. Departments of Ophthalmology, Neurology, and Neurosurgery, Weill Cornell Medicine, New York, New York, USA
5. Department of Ophthalmology, The University of Texas Medical Branch, Galveston, Texas, USA
6. Department of Ophthalmology, The University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
7. Department of Radiology, Vittorio Veneto Hospital, Vittorio Veneto, Italy