1. UAB HIV Outpatient Clinic, University of Alabama at Birmingham, Birmingham, Alabama 35294.
2. Quest Clinical Research, San Francisco, California. Present address: Department of Medicine, University of California, San Francisco, California 94115
3. University of North Carolina at Chapel Hill, Chapel Hill, Durham, North Carolina 27599
4. Center for Clinical AIDS Research and Education, University of California at Los Angeles, Los Angeles, California 90095
5. Community Research Initiative New England, Brookline, Massachusetts. Present address: Harvard Vanguard Medical Associates, Boston, Massachusetts 02215
6. University of Texas Health Science Center at Houston, Houston, Texas 77030
7. Central Florida Research Initiative, Maitland, Florida 32701
8. Division of Infectious Diseases, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205
9. Positive Health Program, San Francisco General Hospital, San Francisco, California
10. Division of Infectious Diseases, Northwestern University Medical School, Chicago, Illinois 60611
11. AIDS Clinical Trials Unit and Center for AIDS Research, New York University School of Medicine, New York, New York 10016
12. HIV Outpatient Clinic, University of Alabama at Birmingham, Birmingham, Alabama 35294.
13. Trimeris Inc, Durham, North Carolina 27707