1. Institute of Translational Medicine Private University in the Principality of Liechtenstein Triesen Liechtenstein
2. University of Campinas/Hemocentro Campinas Brazil
3. Jiangsu Province Blood Center Nanjing Jiangsu China
4. Department of Clinical Immunology, Laboratory of Blood Genetics Copenhagen University Hospital Copenhagen Denmark
5. Grifols Laboratory Solutions San Marcos Texas USA
6. Department of Transfusion Medicine NIH Clinical Center, National Institutes of Health Bethesda Maryland USA
7. Department of Haematology University of Cambridge and NHS Blood and Transplant, Cambridge Biomedical Campus Cambridge UK
8. Department of Clinical Immunology and Transfusion Medicine Office for Medical Services Region Skåne Sweden
9. Institute of Clinical Blood Transfusion, Guangzhou Blood Center Guangzhou People's Republic of China
10. American Red Cross Blood Services Philadelphia Pennsylvania USA
11. Department of Pathology Brigham and Women's Hospital and Harvard Medical School Boston Massachusetts USA
12. Department of Diagnostic Immunohematology Sanquin Amsterdam The Netherlands
13. Laboratory of Immunohematology and Genomics New York Blood Center Enterprise New York, New York USA
14. Banc de Sang i Teixits Barcelona Spain
15. Department of Laboratory Medicine, Division of Hematology and Transfusion Medicine Lund University Lund Sweden
16. Etablissement Français du Sang Ile‐de‐France, Centre National de Référence pour les Groupes sanguins Ivry‐sur‐Seine France
17. UMR_S1134 Inserm Université Paris Cité Paris France
18. Osaka Red Cross Blood Center Osaka Japan
19. International Blood Group Reference Laboratory NHS Blood and Transplant Bristol UK
20. Department of Experimental Immunohematology Sanquin Amsterdam The Netherlands
21. German Red Cross Blood Service NSTOB Springe Germany
22. MVZ Clementinenkrankenhaus Springe Germany
23. Department of Transfusion Medicine Institute for Clinical Transfusion Medicine and Immunogenetics, German Red Cross Blood Service Ulm Germany
24. Blood Bank, Hospital Sirio‐Libanes São Paulo Brazil
25. Rabin Medical Center, Petach Tiqva and Sackler Faculty of Medicine Tel Aviv University Tel Aviv Israel
26. Australian Red Cross Lifeblood Brisbane Australia