1. Section of Protein Structure and Function, Laboratory of Retinal Cell and Molecular Biology, National Eye Institute, National Institutes of Health, Bethesda, Maryland, United States
2. Department of Biochemistry and Molecular & Cellular Biology, Georgetown University Medical Center, Washington DC, United States
3. Section of Histopathology, National Eye Institute, National Institutes of Health, Bethesda, Maryland, United States
4. Departments of Cell Biology and Ophthalmology, Dean McGee Eye Institute, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, United States