1. Departments of Surgery
2. Medicine, Duke University Medical Center, Durham, North Carolina 27710
3. Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland 20892
4. Seattle Biomedical Research Institute, Seattle, Washington 98109
5. Henry M. Jackson Foundation, Rockville, Maryland 20850
6. GlaxoSmithKline Biologicals, 1330 Rixensart, Belgium
7. Department of Medicine, University of Alabama, Birmingham, Alabama 35294
8. Statistical Center for HIV/AIDS Research and Prevention, University of Washington, Seattle, Washington 98109