1. Diagnostic Laboratories, BloodCenter of Wisconsin, 638 N 18th Street, PO Box 2178, Milwaukee, WI 53201-2178, USA
2. Medical Sciences Institute, BloodCenter of Wisconsin, Milwaukee, WI, USA
3. University of Plymouth, Plymouth, UK
4. Justus-Liebig-University, Giessen, Germany
5. Information Services Versiti/BloodCenter of Wisconsin, Milwaukee, WI, USA
6. Department of Transfusion Medicine, NIH Clinical Center, National Institutes of Health, Bethesda, MD, USA
7. Office of Blood Research and Review, CBER/FDA, Rockville, MD, USA
8. Héma-Québec, Québec, Canada
9. Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
10. Hospital Sirio Libanês, São Paulo, Brazil