1Section of Infectious Diseases, Department of Medicine, and Department of Immunology/Microbiology, Rush Medical College, Chicago, Illinois 60612-3833
2Department of Medicine, Center for AIDS Research, Case Western Reserve University and University Hospitals, Cleveland, Ohio 44106-5000
3Harvard School of Public Health, Boston, Massachusetts 02115-6013
4Immunex Corporation, Seattle, Washington 98101.
5University of California, Los Angeles, Los Angeles, California 90095-1793
6University of Texas at Galveston, Galveston, Texas 77555-0435
7Division of Infectious Diseases, Department of Medicine, Beth Israel Medical Center, New York, New York 10003
8Adult AIDS Clinical Trials Group Operations Center, Rockville, Maryland 20910
9University of Hawaii at Manoa, Honolulu, Hawaii 96816-1032
10National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland 20892-7620
11Infectious Disease Division, Department of Laboratory Medicine and Pathology and Department of Medicine, University of Minnesota, Minneapolis, Minnesota 55455-0392
12Aviron, Mountain View, California 94043
13Frontier Science and Technology Research Foundation, Inc., Amherst, New York 14226-1056