1. From Brown Glaucoma Laboratory, the2Department of Pathology and Cell Biology, College of Physicians and Surgeons, and the
2. Department of Pathology and Cell Biology, College of Physicians and Surgeons, and the4Edward S. Harkness Eye Institute, Columbia University, New York, New York;
3. Wellesley College, Wellesley, Massachusetts; the
4. Department of Physiological Science, UCLA, Los Angeles, California; and the
5. Department of Physiological Science, UCLA, Los Angeles, California; and the7Jules Stein Eye Institute, UCLA School of Medicine, Los Angeles, California.