1. Blood Center of Wisconsin; Milwaukee WI USA
2. RTI International; Rockville MD USA
3. Department of Laboratory Medicine; Yale University; New Haven CT USA
4. VA CT; West Haven CT USA
5. University of California; San Francisco CA USA
6. Blood Systems Research Institute; San Francisco CA USA
7. Bloodworks Northwest; Seattle WA USA
8. University of Pittsburgh and Institute of Transfusion Medicine; Pittsburgh PA USA
9. University of British Columbia; Vancouver British Columbia Canada
10. Department of Pediatrics; Yale University; New Haven CT USA