1. Department of Pathology; University of Pittsburgh; Pittsburgh Pennsylvania
2. New York Blood Center; New York New York
3. Blood Systems, Inc; Scottsdale Arizona
4. Irish Blood Transfusion Service; Dublin Ireland
5. Canadian Blood Services; Ottawa Ontario Canada
6. New Zealand Blood Service; Auckland New Zealand
7. Héma-Québec; Québec City Québec Canada
8. Blood Center of Wisconsin; Milwaukee Wisconsin
9. Mississippi Valley Regional Blood Center; Davenport Iowa
10. Gulf Coast Regional Blood Center; Houston Texas
11. Welsh Blood Service; Cardiff Wales
12. NHS Blood & Transplant, and Oxford Biomedical Research Centre; Oxford United Kingdom
13. Carter Blood Care; Dallas Texas
14. Magen David Adom, National Blood Services; Ramat Gan Israel
15. Japanese Red Cross; Tokyo Japan
16. South Danish Transfusion Service; Odense Denmark
17. The Institute for Transfusion Medicine; Pittsburgh Pennsylvania