1. Nanovision Biosciences, Inc., La Jolla, California, United States
2. Department of Bioengineering, University of California, San Diego, California, United States
3. Jacobs Retina Center at Shiley Eye Institute, Department of Ophthalmology, University of California, San Diego, California, United States
4. Department of Psychology, University of California, San Diego, California, United States
5. Department of Electrical and Computer Engineering, University of California, San Diego, California, United States