1. Vitalant Research Institute San Francisco California USA
2. Department of Laboratory Medicine University of California San Francisco San Francisco California USA
3. Scientific Affairs, American Red Cross Gaithersburg Maryland USA
4. Laboratory of Virology, National Institute of Allergy and Infectious Diseases National Institutes of Health Hamilton Montana USA
5. Grifols Diagnostic Solutions San Diego California USA
6. New York Blood Center Enterprises New York New York USA
7. Bloodworks Northwest Seattle Washington USA
8. Creative Testing Solutions Tempe Arizona USA
9. University of British Columbia Victoria British Columbia Canada