1. Orbital Disease Center, Jules Stein Eye Institute, David Geffen School of Medicine, University of California–Los Angeles.
2. Comprehensive Ophthalmology, Pediatric Ophthalmology and Adult Strabismus Division, Jules Stein Eye Institute, David Geffen School of Medicine, University of California–Los Angeles.
3. Department of Neurology, Jules Stein Eye Institute, David Geffen School of Medicine, University of California–Los Angeles.