1. Center for Dermatoepidemiology, Veterans Affairs (VA) Medical Center, Providence, Rhode Island
2. Department of Dermatology, The Warren Alpert Medical School of Brown University, Providence, Rhode Island
3. Boston Cooperative Studies Program Coordinating Center, Massachusetts Veterans Epidemiology and Research Information Center (MAVERIC), Boston
4. Bay Pines VA Healthcare System, Bay Pines, Florida
5. Edward Hines Jr VA Hospital, Hines, Illinois
6. VA Palo Alto Health Care System, Palo Alto, California
7. Atlanta VA Medical Center, Atlanta, Georgia
8. VA Loma Linda Healthcare System, Loma Linda, California
9. Minneapolis VA Health Care System, Minneapolis, Minnesota
10. VA Tennessee Valley Healthcare System, Nashville
11. Denver VA Medical Center, Denver, Colorado
12. Durham VA Medical Center, Durham, North Carolina
13. Boston VA Health Care System, Boston, Massachusetts
14. Philadelphia VA Medical Center, Philadelphia, Pennsylvania
15. Miami VA Healthcare System, Miami, Florida
16. VA Clinical Research Pharmacy Coordinating Center, Albuquerque, New Mexico
17. Center for Cancer Research, National Cancer Institute, Bethesda, Maryland
18. Cooperative Studies Program Central Office, Washington, DC