1. John F. Hardesty, Department of Ophthalmology and Visual Sciences, Washington University School of Medicine, St. Louis, MO 63110
2. Neurosciences Graduate Program, Roy and Diana Vagelos Division of Biology and Biomedical Sciences, Washington University School of Medicine, St. Louis, MO 63110
3. Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110
4. Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO 63110
5. Department of Ophthalmology, Graduate School of Medicine, The University of Tokyo, Tokyo 1138665, Japan
6. Department of Genetics, Washington University School of Medicine, St. Louis, MO 63110
7. Department of Developmental Biology, Washington University School of Medicine, St. Louis, MO 63110
8. Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110