1. Department of Neurology, University of Texas Southwestern Medical Center at Dallas, Dallas, TX, USA, Department of Radiology, University of Texas Southwestern Medical Center at Dallas, Dallas, TX, USA,
2. Department of Ophthalmology, University of Texas Southwestern Medical Center at Dallas, Dallas, TX, USA
3. Department of Radiology, University of Texas Southwestern Medical Center at Dallas, Dallas, TX, USA
4. Baylor University Medical Center, Dallas, TX, USA
5. Department of Ophthalmology, University of Texas Southwestern Medical Center at Dallas, Dallas, TX, USA, the Center for Immunology, University of Texas Southwestern Medical Center at Dallas, Dallas, TX, USA