1. Department of Pathology and Laboratory Medicine Children's National Hospital Washington District of Columbia USA
2. International Medical and Scientific Research Etablissement Français du Sang La Plaine Saint‐Denis France
3. Donor Studies, Sanquin Research Sanquin Amsterdam The Netherlands
4. Clinical and Laboratory Pathology University of California Los Angeles California USA
5. Department of Pathology Duke University School of Medicine Durham North Carolina USA
6. Department of Clinical Science Haukeland University Hospital Bergen Norway
7. Medical Affairs and Innovation Canadian Blood Services Ottawa Ontario Canada