1. Blood Center of WisconsinMedical College of Wisconsin Milwaukee Wisconsin
2. RTI International Rockville Maryland
3. Department of Laboratory MedicineYale University New Haven Connecticut
4. VA CT West Haven Connecticut
5. American Red Cross Dedham Massachusetts
6. University of California San Francisco California
7. Blood Systems Research Institute San Francisco California
8. Bloodworks Northwest Seattle Washington
9. University of Pittsburgh and Institute of Transfusion Medicine Pittsburgh Pennsylvania
10. University of British Columbia Vancouver British Columbia Canada
11. Department of PediatricsYale University New Haven Connecticut