1. Department of Ophthalmology, University of California San Diego, La Jolla, California, United States
2. Pediatric Ophthalmology & the Center for Adult Strabismus, P.A., Plano, Texas, United States
3. Retina Foundation of the Southwest, Dallas, Texas, United States
4. Department of Ophthalmology and Visual Neurosciences and Department of Neuroscience, University of Minnesota, Minneapolis, Minnesota, United States