1. Bloodworks NW Department of Laboratory Medicine University of Washington Seattle WA USA
2. Department of Immunology and Transfusion Medicine Department of Clinical Biochemistry and Pharmacology Haukeland University Hospital Bergen Norway
3. Hospital Israelita Albert Einstein São Paulo Brazil
4. Department of Laboratory Medicine and Pathology University of Minnesota Minneapolis MN USA
5. Dartmouth‐Hitchcock Medical Center Lebanon NH USA
6. Oxford University Hospitals NHS Foundation Trust Oxford UK
7. Ottawa Hospital Research Institute Ottawa Canada
8. Institute for Immunology and Transfusion Medicine University Medicine Greifswald Greifswald Germany
9. Hospital Sirio Libanes Blood Bank Sao Paulo Brazil
10. Wing‐Kwai and Alice Lee‐Tsing Chung Transfusion Service Department of Pathology and Laboratory Medicine David Geffen School of Medicine University of California Los Angeles Los Angeles CA USA