1. Laboratory of Molecular Virology, Department of Biological Sciences, Southern Methodist University, 334-DLS, 6501 Airline Drive, Dallas, Texas 75275-0376
2. Department of Hematology and Respiratory Medicine, Kochi Medical School Hospital, Kohasu, Oko-cho, Nankoku, Kochi 783-8505, Japan
3. Department of Pharmacology and Toxicology, Dartmouth University Medical School and the Norris Cotton Cancer Center, Hanover, New Hampshire 03755
4. Abt. Biochemie und Molekularbiologie, Institute für Biochemie, Klinikum der RWTH, Pauwelssttrasse 30, 52057 Aachen, Germany
5. Department of Cancer Biology, Dana-Farber Cancer Institute, Harvard Medical School, 1 Jimmy Fund Way, Boston, Massachusetts 02115
6. Department of Statistical Science, Southern Methodist University, 3225 Daniels Avenue, Dallas, Texas 75275-0332
7. Center for Gene Research and Biotechnology, Oregon State University, Corvallis, Oregon 97331
8. School of Surgical Sciences, University of Newcastle upon Tyne Medical School, Framlington Place, Newcastle upon Tyne NE2 4HH, United Kingdom
9. Department of Pathology, University of Washington, Box 357705, Seattle, Washington 98195-7705