1. University of Alabama at Birmingham, Department of Ophthalmology and Visual Sciences, Birmingham, Alabama, United States
2. Indiana University School of Medicine, Department of Ophthalmology, Indianapolis, Indiana, United States
3. Microsoft Corporation, Redmond, Washington, United States
4. Indiana University School of Medicine, Department of Anatomy, Cell Biology, and Physiology, Indianapolis, Indiana, United States
5. University of Pittsburgh, Department of Psychiatry, Pittsburgh, Pennsylvania, United States