1. Department of Laboratory Medicine and Pathology; University of Minnesota; Minneapolis Minnesota
2. Department of Pathology and Laboratory Medicine; University of Kentucky; Lexington Kentucky
3. Department of Pathology and Laboratory Medicine; New York University; New York New York
4. Department of Pathology; University of Michigan; Ann Arbor Michigan
5. Consultant; Denver Colorado
6. LifeSource Blood Center; Rosemont Illinois
7. Hematology/Oncology Division; University of Pittsburgh Medical Center Presbyterian-Shadyside Hospital; Pittsburgh Pennsylvania
8. Department of Laboratory Medicine; University of Washington; Seattle Western Australia
9. Department of Pathology and Laboratory Medicine; University of North Carolina; Chapel Hill North Carolina
10. Department of Pathology and Laboratory Medicine; University of Rochester Medical Center; Rochester New York
11. Department of Coagulation; Quest Diagnostics Nichols Institute; Virginia
12. Departments of Pediatrics and Pathology, George Washington School of Medicine and Health Sciences; Washington DC
13. Bloodworks; Seattle Western Australia