1. Transfusion Medicine Division, Department of Laboratory MedicineUniversity of Washington Seattle Washington
2. Department of PathologyUniversity of California San Diego La Jolla California
3. Department of PediatricsThe Children's Hospital of Philadelphia Philadelphia Pennsylvania
4. Department of Pathology and Laboratory MedicineDartmouth‐Hitchcock Medical Center Lebanon New Hampshire
5. NorthShore University Health System Chicago Illinois
6. Transfusion Medicine Division, Department of Pathology, School of MedicineJohns Hopkins University Baltimore Maryland
7. Division of Hematology/OncologySimmons Cancer Institute at Southern Illinois University School of Medicine and Mississippi Valley Regional Blood Center Springfield Illinois USA
8. Pathology and Laboratory MedicineUniversity of Vermont Medical Center Burlington Vermont
9. Vitalant Scottsdale Arizona
10. Department of PathologyNew York University Grossman School of Medicine New York New York
11. Department of PathologyJohns Hopkins University School of Medicine Baltimore Maryland
12. Clinical Pathology Division, Department of PathologyUniversity of Utah Salt Lake City Utah
13. Transfusion Medicine Service, Department of PathologyUniversity of New Mexico Albuquerque New Mexico
14. Transfusion Medicine & Cellular Therapy, Department of Pathology & Cell BiologyColumbia University New York New York
15. Department of PathologyStanford University Stanford California
16. Division of Pediatric Critical CareWashington University in St Louis St Louis Missouri USA
17. Office of Blood Research and ReviewFood and Drug Administration Silver Spring Maryland
18. Laboratory Medicine and PathologyUniversity of Minnesota Minneapolis Minnesota