1. Edward Hines, Jr. Veterans Affairs Hospital, Hines, Illinois
2. Veterans Affairs Long Beach Healthcare System, Long Beach, California
3. Washington, D.C. Veterans Affairs Medical Center, Washington, D.C.
4. Kansas City Veterans Affairs, Kansas City, Missouri
5. Cooperative Studies Clinical Research Pharmacy Coordinating Center, Albuquerque, New Mexico
6. Southern Arizona Veterans Affairs Healthcare System, Tucson, Arizona