1. University of TorontoToronto Canada
2. University Health Network Toronto Canada
3. Institut für Immunologie und Transfusionsmedizin Universitätsmedizin Greifswald Greifswald Germany
4. National Health Service (NHS) Blood and Transplant and the Oxford National Institute for Health Research (NIHR) Biomedical Research Centre Oxford University Hospitals and University of Oxford Oxford United Kingdom
5. Weill Cornell Medicine New York NY USA
6. University Hospital of Tuebingen Tuebingen Germany
7. Naitbabies.org London UK
8. Finnmark Hospital Trust Hammerfest Norway
9. University Hospital of North Norway Tromsø Norway
10. University and Regional Laboratories Region Skåne Lund Sweden
11. Blood Center of Brittany – EFS L'Établissement Français du Sang Rennes France
12. Leiden University Medical Center Leiden the Netherlands
13. Hospital for Sick Children and St. Michael's Hospital Toronto Canada
14. CHU Sainte‐Justine Université de Montréal Montréal Canada
15. NHS Blood and Transplant Bristol UK
16. Retired and formerly Institut National de la Transfusion Sanguine Paris France
17. McMaster Centre for Transfusion Research, McMaster University and Canadian Blood Services Hamilton Canada
18. Australian Red Cross Blood Service Brisbane Australia
19. Mount Sinai Hospital Toronto Canada
20. Royal Children's Hospital Melbourne Australia
21. Canadian Blood Services Ottawa Canada
22. Canadian Blood Services Toronto Canada