1. University of Pittsburgh, Pittsburgh, Pennsylvania
2. Children's Hospital of Los Angeles, Keck School of Medicine, Los Angeles, California
3. Columbia University, New York, New York
4. University of Washington, Seattle, Washington
5. HIV Drug Resistance Program, National Cancer Institute, Frederick, Maryland
6. Birmingham VA Medical Center and University of Alabama at Birmingham, Birmingham, Alabama
7. University of Southern California, Los Angeles, California
8. Section of Retroviral Therapeutics, Brigham and Women's Hospital and Division of AIDS, Harvard Medical School, Boston, Massachusetts
9. University of Erlangen- Nuremberg, Erlangen, Germany
10. Basic Research Program, SAIC-Frederick, National Cancer Institute, Frederick, Maryland
11. Bayer HealthCare-Diagnostics, Berkeley, California
12. University of Maryland School of Medicine, Baltimore, Maryland
13. Rush Medical College, Chicago, Illinois
14. New England Research Institute, Watertown, Massachusetts