1. Department of Biostatistics and Medical Informatics, University of Wisconsin, 600 Highland Avenue, Box 4675, Madison, WI 53792-4675, USA
2. Duke Clinical Research Institute, Durham, NC, USA
3. National Institute of Allergy and Infectious Diseases, Bethesda, MD, USA
4. US Food and Drug Administration, Rockville, MD, USA
5. University of Washington, Seattle, WA, USA
6. AstraZeneca, Molndal, Sweden
7. University of Newcastle-upon-Tyne, UK
8. National Cancer Institute, Bethesda, MD, USA
9. Yale University, New Haven, CT, USA
10. University of Minnesota, Minneapolis, MN, USA
11. Columbia University, New York, NY, USA
12. London School of Hygiene and Tropical Medicine, London, UK
13. GlaxoSmith Kline, King of Prussia, PA, USA
14. National Institutes of Health, Bethesda, MD, USA
15. Centocor, Malver, PA, USA
16. Merck Research Labs, Blue Bell, PA, USA
17. Human Genome Sciences, Inc., Rockville, MD, USA
18. University of Alabama, Birmingham, AL, USA