1. Department of Ophthalmology & Vision Science, University of California Davis Medical Center, Sacramento, California, United States 2Department of Vision Science, New England College of Optometry, Boston, Massachusetts, United States
2. Department of Ophthalmology & Vision Science, University of California Davis Medical Center, Sacramento, California, United States
3. Electro-Diagnostic Imaging, Inc., Redwood City, California, United States
4. Department of Ophthalmology, University Hospital Zurich, Zurich, Switzerland
5. Department of Ophthalmology & Vision Science, University of California Davis Medical Center, Sacramento, California, United States 5Department of Neurobiology, Physiology & Behavior, University of California Davis, Davis, California, United States