1. From the Departments of Cell Biology,
2. Ophthalmology, and the 3Dean A. McGee Eye Institute, Oklahoma City, Oklahoma.
3. From the Departments of Cell Biology, 4Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; and
4. From the Departments of Cell Biology, 2Ophthalmology, and the 3Dean A. McGee Eye Institute, Oklahoma City, Oklahoma.