1. Blood Systems Research Institute and University of California, San Francisco, San Francisco, CA 94118, USA.
2. Transfusion Medicine and Cellular Therapeutics Branch, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Bethesda, MD 20892, USA.
3. Harvard Medical School, and Brigham and Women’s Hospital, Boston, MA 02115, USA.
4. Whittemore Peterson Institute, University of Nevada, Reno, NV 89557, USA.
5. Abbott Laboratories, Abbott Park, IL 60064, USA.
6. Division of HIV/AIDS Prevention, Centers for Disease Control and Prevention, Atlanta, GA 30333, USA.
7. Office of Blood Research, U.S. Food and Drug Administration (FDA), Rockville, MD 20852, USA.
8. Office of Cellular, Tissue and Gene Therapies Review, FDA, Bethesda, MD 20892, USA.
9. Department of Transfusion Medicine, NIH, Bethesda, MD 20892, USA.
10. Gen-Probe, San Diego, CA 92121, USA.
11. Department of Molecular Biology and Microbiology, Tufts University, Boston, MA 02111, USA.
12. National Cancer Institute–Frederick, Frederick, MD 21702, USA.
13. Westat, Rockville, MD 20850, USA.
14. Department of Pathology, University of British Columbia, Victoria, BC V9A4W4, Canada.
15. U.S. Department of Health and Human Services, Rockville, MD 20852, USA.