1. Department of Laboratory Medicine and Pathology University of Minnesota Minneapolis Minnesota
2. Department of Pathology University of California San Diego California
3. Department of Pathology and Laboratory Medicine Weill Cornell Medicine New York New York
4. Department of Pathology and Laboratory Medicine Dartmouth Hitchcock Medical Center Lebanon New Hampshire
5. Blood Bank and Transfusion Medicine Department Children's Hospital of Philadelphia Philadelphia Pennsylvania
6. Division of Transfusion Medicine School of Medicine, Johns Hopkins University Baltimore Maryland
7. Division of Hematology/Oncology Mississippi Valley Regional Blood Center Springfield Illinois
8. University of Vermont Medical Center Burlington VT
9. McMaster Center for Transfusion Research McMaster University Hamilton Ontario Canada
10. Vitalant Memphis Tennessee
11. Department of Pathology and Laboratory Medicine Cedars‐Sinai Medical Center Los Angeles California
12. Department of Pathology and Laboratory Medicine Children's Hospital Los Angeles Los Angeles California
13. Department of Pathology Feinberg School of Medicine, Northwestern University Chicago Illinois
14. Department of Pathology University of New Mexico Albuquerque New Mexico
15. Department of Pathology and Cell Biology Columbia University, and New York New York
16. New York Blood Center New York New York
17. Department of Pediatrics, Division of Pediatric Critical Care Washington University in St Louis School of Medicine Saint Louis Missouri
18. Transfusion Medicine Division, Department of Laboratory Medicine University of Washington Seattle Washington