1. Department of Pathology University Hospitals Cleveland Medical Center and Case Western Reserve University School of Medicine Cleveland Ohio USA
2. American Red Cross Biomedical Services Columbus Ohio USA
3. Nationwide Children's Hospital Columbus Ohio USA
4. University of Vermont Medical Center Burlington Vermont USA
5. University Health Network Toronto Ontario Canada
6. SSM Health Cardinal Glennon Children's Hospital Fenton Missouri USA
7. AABB Bethesda Maryland USA
8. Center for Biologics Evaluation and Research, Office of Biostatistics and Epidemiology U.S. Food and Drug Administration Silver Spring Maryland USA
9. Pathology and Laboratory Medicine Division Children's National Medical Center Washington, DC USA
10. Pathology and Pediatrics Departments The George Washington University Washington, DC USA