1. Department of Ophthalmology, Madigan Army Medical Center, Tacoma, WA, 9040 Jackson Ave., Tacoma, WA 98431.
2. Uniformed Services University of the Health Sciences, 4301 Jones Bridge Rd, Bethesda, MD 20814.
3. DoD-VA Vision Center of Excellence, 8960 Brown Drive, Bldg 2, Room 1403-A, Bethesda, MD, 20889-5629.
4. Department of Ophthalmology, Walter Reed National Military Medical Center, 8901 Rockville Pike, Bethesda, MD 20889.