1. California National Primate Research Center
2. Center for Comparative Medicine
3. AIDS and Cancer Virus Program, Science Applications International Corporation—Frederick, Inc., National Cancer Institute, Frederick, Maryland
4. Monogram Biosciences, Inc., South San Francisco, California
5. Oregon National Primate Research Center, Oregon Health Sciences University, Beaverton, Oregon 97006
6. Department of Surgery, Duke University Medical Center, Durham, North Carolina 27710
7. Blood Systems Research Institute
8. Department of Laboratory Medicine, University of California, San Francisco, San Francisco, California 94118
9. Department of Pathology, Microbiology, and Immunology, School of Veterinary Medicine, University of California, Davis, Davis, California 95616