1. From the Section of Eye Research and Beetham Eye Institute, Joslin Diabetes Center, Boston, Massachusetts; the
2. Duke University Eye Center, Durham, North Carolina; the
3. Department of Ophthalmology, American University of Beirut Medical Center, Beirut, Lebanon; the
4. Department of Ophthalmology, Hospital UKM, Jalan Yaacob Latiff, Kuala Lumpur, Malaysia; and the
5. From the Section of Eye Research and Beetham Eye Institute, Joslin Diabetes Center, Boston, Massachusetts; the5Department of Ophthalmology, Harvard Medical School, Boston, Massachusetts.