1. Blood Systems Research Institute; San Francisco California
2. Department of Laboratory Medicine; University of California San Francisco; San Francisco California
3. New York Blood Center; New York New York
4. OneBlood; Tampa Florida
5. Scientific Support Office; American Red Cross; Gaithersburg Maryland
6. Blood Systems, Inc.; Scottsdale Arizona
7. National Heart, Lung and Blood Institute, National Institutes of Health; Rockville Maryland
8. Holland Laboratory; American Red Cross; Rockville Maryland