1. 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
2. Department of Laboratory Medicine and Pathology; University of Minnesota; Minneapolis Minnesota
3. Hoxworth Blood Center and Department of Pathology and Laboratory Medicine; University of Cincinnati; Ohio
4. Departments of Pathology and Medicine; Dartmouth-Hitchcock Medical Center; Lebanon New Hampshire
5. Department of Pathology and Laboratory Medicine; University of Vermont Medical Center; Burlington Vermont
6. Department of Immunology and Transfusion Medicine; Ernst-Moritz-Arndt-University; Greifswald Germany
7. National Health Service (NHS) Blood and Transplant/Oxford University Hospitals NHS Trust, John Radcliffe Hospital, Oxford, United Kingdom; the Radcliffe Department of Medicine, University of Oxford; Oxford United Kingdom
8. Faculty of Health Sciences, Department of Medicine; , Canadian Blood Services, McMaster University, and Centre for Innovation; Hamilton Ontario Canada
9. Bloodworks NW; Seattle Washington
10. Department of Laboratory Medicine; University of Washington; Seattle Washington