1. Warfighter Refractive Eye Surgery Program and Research Center, Fort Belvoir Community Hospital, 9300 DeWitt Loop, Fort Belvoir, VA 22060.
2. Ophthalmology Service, Walter Reed National Military Medical Center, 8901 Wisconsin Avenue, Bethesda, MD 20889.
3. Biostatistics Section, Department of Research Programs, Walter Reed National Military Medical Center, 8901 Wisconsin Avenue, Bethesda, MD 20889.
4. Night Vision and Electronic Sensors Directorate, Fort Belvoir, VA 22060.
5. Ophthalmology Service, Madigan Army Medical Center, 9040 Jackson Avenue, Tacoma, WA 98431.
6. The Wilmer Eye Institute, Johns Hopkins University, 10753 Falls Road, Lutherville, MD 21093.