1. McMaster Centre for Transfusion ResearchMcMaster UniversityHamilton Ontario Canada
2. Canadian Blood ServicesAncaster Ontario Canada
3. Akershus University HospitalAkershus Norway
4. Haukeland University HospitalBergen Norway
5. Sunnybrook Health Sciences Centre, Department of Laboratory Medicine and Pathobiology, University of TorontoToronto Ontario Canada
6. Dartmouth‐Hitchcock Medical Center Lebanon New Hampshire
7. Hamilton Health SciencesHamilton Ontario Canada
8. Institute for Clinical Transfusion MedicineMunicipal Hospital Braunschweig
9. Helmholtz Centre for Infection ResearchBraunschweig Germany
10. UC Health, University of Cincinnati Medical CenterCincinnati Ohio
11. Hospital Israelita Albert EinsteinSao Paulo Brazil
12. UF Health Shands HospitalUniversity of FloridaGainsville Florida
13. Fujita Health University HospitalToyoake Japan
14. Toho University Omori Medical CenterOmori Japan
15. University of WashingtonSeattle Washington
16. Institute of Hematology and Transfusion MedicineWarsaw Poland
17. Monash Medical CentreClayton Victoria Australia
18. University Medicine GreifswaldGreifswald Germany
19. South Danish Transfusion Service & Tissue CenterOdense University HospitalOdense Denmark
20. Oxford University Hospitals NHS Foundation TrustOxford United Kingdom
21. MEDILYS LaborgesellschaftHamburg Germany
22. Sirio Libanes HospitalSao Paulo Brazil
23. SanquinAmsterdam the Netherlands
24. Leiden University Medical Center and Center for Clinical Transfusion ResearchSanquin Research, and the Department of Immunohematology and Blood Transfusion, Leiden University Medical CenterLeiden The Netherlands
25. Wing‐Kwai and Alice Lee‐Tsing Chung Transfusion Service, Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California at Los AngelesLos Angeles, California
26. University of Pittsburgh and the Institute for Transfusion MedicinePittsburgh Pennsylvania