1. Department of Bioengineering, University of California at San Diego, La Jolla, California
2. National Center for Biotechnology Information, National Library of Medicine, NIH, Bethesda, Maryland
3. BIATECH, Bothell, Washington
4. St. Jude Children's Research Hospital, Memphis, Tennessee
5. Department of Molecular Microbiology and Immunology, University of Missouri-Columbia, Columbia, Missouri
6. Children's Research Institute and The Ohio State University, Columbus, Ohio
7. Department of Microbiology and Immunology, University of Michigan, Ann Arbor, Michigan
8. Department of Molecular Genetics and Microbiology, University of Massachusetts Medical School, Worcester, Massachusetts
9. Seattle Biomedical Research Institute, Seattle, Washington
10. BIATECH, Bothell, Washington. 4St. Jude Children's Research Hospital, Memphis, Tennessee