1. J. Linnen, J. Wages Jr, Z.-Y. Zhang-Keck, K. E. Fry, K. Fung, L. Young, M. Piatak Jr, C. Hoover, J. Fernandez, S. Chen, J.-C. Zou, J. D. Lifson, S. K. H. Foung, J. P. Kim, Genelabs Technologies, Redwood City, CA 94063, USA.
2. K. Z. Krawczynski, M. Gallagher, M. Alter, T. Morris, H. Margolis, Hepatitis Branch, Centers for Disease Control and Prevention, Atlanta, GA 30333, USA.
3. H. Alter, Y. Nakatsuji, J. W.-K. Shih, Department of Transfusion Medicine, National Institutes of Health, Bethesda, MD 20205, USA.
4. E. Koonin, National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD 20894, USA.
5. S. Hadziyannis, Academic Department of Medicine, Hippokration Hospital, Athens, Greece.
6. P. Karayiannis and H. Thomas, Department of Medicine, St. Mary's Hospital Medical School, London, UK.
7. K. C. Hyams, Naval Medical Research Institute, Rockville, MD 20852, USA.
8. S. Ismay, New South Wales Red Cross Blood Transfusion Service, Sydney, Australia.
9. G. Hess, Boehringer Mannheim GmbM, D68305 Mannheim, Germany.
10. D. Bradley, 2938 Kelly Court, Lawrenceville, GA 30244, USA.