1. Department of Pathology and Laboratory Medicine; MedStar Georgetown University Hospital; Washington DC
2. Department of Transfusion Medicine; Clinical Center; National Institutes of Health; Bethesda Maryland
3. Immunohematology and Genomics Laboratory; New York Blood Center; New York New York
4. Diagnostic Laboratories; BloodCenter of Wisconsin; Milwaukee Wisconsin
5. Red Cell Genomics Laboratory; Puget Blood Center; Seattle Washington
6. Department of Laboratory Medicine; University of Washington; Seattle Washington
7. National Molecular Laboratory; American Red Cross Biomedical Services; Philadelphia Pennsylvania
8. Clinical Education; BloodCenter of Wisconsin; Milwaukee Wisconsin
9. Medical Office; Americas Blood Centers; Washington DC
10. Department of Obstetrics and Gynecology; MedStar Georgetown University Hospital; Washington DC
11. Medical Office; American Red Cross Biomedical Services; Philadelphia Pennsylvania
12. Armed Services Blood Program; Falls Church Virginia