1. Department of Clinical Immunology and Transfusion Medicine; Office for Medical Services; Lund Sweden
2. University of Campinas/Hemocentro; Campinas Brazil
3. Jiangsu Province Blood Center; Nanjing China
4. Bristol Institute for Transfusion Sciences; NHS Blood and Transplant; Bristol UK
5. Blood Center of Wisconsin; Milwaukee WI USA
6. Department of Transfusion Medicine; Clinical Center; National Institutes of Health; Bethesda USA
7. Blutspende Zurich; Zurich Switzerland
8. Sanquin Blood Supply Foundation; Amsterdam The Netherlands
9. Australian Red Cross Blood Services; Brisbane Qld Australia
10. American Red Cross Blood Services; Philadelphia PA USA
11. New York Blood Center; New York NY USA
12. Grifols; San Marcos TX USA
13. Banc de Sang i Teixits; Barcelona Spain
14. Department of Laboratory Medicine; Division of Hematology and Transfusion Medicine; Lund University; Lund Sweden
15. Institut National de la Transfusion Sanguine; Département Centre National de Référence pour les Groupes Sanguins; Inserm UMR_S1134 Paris France
16. Sanquin Research at CLB; Amsterdam The Netherlands
17. Osaka Red Cross Blood Center; Osaka Japan
18. International Blood Group Reference Laboratory; NHS Blood and Transplant; Bristol UK
19. Red Cross Blood Service NSTOB; Springe Germany
20. Blood Bank; Hospital Sirio-Libanes; São Paulo Brazil
21. NBGRL Magen David Adom; Ramat Gan Israel