1. Department of Pathology Brigham and Women's Hospital Boston Massachusetts USA
2. Department of Pathology University of Pittsburgh Pittsburgh Pennsylvania USA
3. Community Health Sciences Cumming School of Medicine, University of Calgary Calgary Alberta Canada
4. 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 California USA
5. Hospital Sírio‐Libanês Blood Bank São Paulo Brazil
6. Department of Laboratory Medicine and Pathology, Transfusion Medicine Division University of Washington Seattle Washington USA
7. Department of Clinical Immunology Odense University, South Danish Transfusion Services Odense Denmark
8. Department of Pathology and Immunology Washington University School of Medicine St. Louis Missouri USA
9. Department of Pathology and Laboratory Medicine Vancouver General Hospital Vancouver British Columbia Canada
10. Department of Pathology Duke University Hospital Durham North Carolina USA
11. Stanford Blood Center Palo Alto California USA
12. Transfusion Medicine Service, Department of Pathology Stanford University School of Medicine Stanford California USA
13. Radcliffe Department of Medicine University of Oxford Oxford UK
14. Department of Pathology University of Maryland School of Medicine Baltimore Maryland USA
15. Hemotherapy and Cell Therapy Department Hospital Israelita Albert Einstein São Paulo Brazil
16. Department of Anesthesiology University of Wisconsin‐Madison Madison Wisconsin USA
17. Department of Pathology and Laboratory Medicine University of Wisconsin‐Madison Madison Wisconsin USA
18. Department of Pathology and Laboratory Medicine Dartmouth‐Hitchcock Medical Center Lebanon New Hampshire USA
19. Department of Medicine Dartmouth‐Hitchcock Medical Center Lebanon New Hampshire USA