1. From the Schepens Eye Research Institute and2Department of Ophthalmology, Harvard Medical School, Boston, Massachusetts; the
2. Department of Mechanical and Industrial Engineering, Northeastern University, Boston, Massachusetts; and the
3. Departments of Biochemistry and5Ophthalmology, Boston University School of Medicine, Boston University, Boston, Massachusetts.
4. From the Schepens Eye Research Institute and3Department of Mechanical and Industrial Engineering, Northeastern University, Boston, Massachusetts; and the