1. Departments of Pathology and Pediatrics Emory University School of Medicine Atlanta Georgia USA
2. National Heart, Lung, and Blood Institute National Institutes of Health Bethesda Maryland USA
3. Public Health and Epidemiology Practice Westat Rockville Maryland USA
4. Vitalant Research Institute University of California San Francisco San Francisco California USA
5. Versiti Blood Research Institute Versiti Milwaukee Wisconsin USA
6. Immunohematology Faculdade de Medicina da Universidade de Sao and Fundacao Pro‐Sangue São Paulo Brazil
7. Departments of Pediatrics and Laboratory Medicine Yale University School of Medicine New Haven Connecticut USA
8. Department of Pathology & Cell Biology Columbia University Irving Medical Center New York New York USA
9. Department of Pediatric Hematology & Oncology UCSF Benioff Children's Hospital Oakland California USA
10. Children's Research National Institute Children's National Hospital Washington District of Columbia USA
11. Department of Infectious Disease Faculdade de Medicina da Universidade de Sao Paulo São Paulo Brazil
12. New York Blood Center New York New York USA
13. Scientific Affairs American Red Cross Dedham Massachusetts USA
14. Department of Pathology and Laboratory Medicine University of British Columbia Victoria British Columbia Canada