1. From the National Eye Institute, the2Departments of Bioengineering and
2. From the National Eye Institute, the
3. Departments of Bioengineering and3Chemical and Biomolecular Engineering, University of Maryland, College Park, Maryland; the
4. Division of Bioengineering and Physical Sciences, and the
5. College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina; and the
6. Pharmacy Department, Clinical Center, National Institutes of Health, Bethesda, Maryland; the
7. Emmes Corp., Rockville, Maryland.