1. Clinical Immunology and Transfusion Medicine; University and Regional Laboratories; Lund Sweden
2. University of Campinas/Hemocentro; Campinas Brazil
3. Bristol Institute for Transfusion Sciences and IBGRL; NHSBT; Bristol UK
4. Clinical Center; Department of Transfusion Medicine; Bethesda MD USA
5. American Red Cross Blood Services; Pomona CA USA
6. Sanquin Blood Supply; Diagnostic Services; Amsterdam the Netherlands
7. Australian Red Cross Blood Services; Brisbane Australia
8. New York Blood Center; New York NY USA
9. LifeShare Blood Centers; Shreveport LA USA
10. Banc de Sang i Teixits; Barcelona Spain
11. Department of Laboratory Medicine; Division of Haematology and Transfusion Medicine; Lund University; Sweden
12. Centre national de Référence pour les Groupes sanguines; Paris France
13. Japanese Red Cross Kinki Block Blood Center; Ibaraki Japan
14. Mackay Memorial Hospital and National Taiwan University; Taipei Taiwan
15. Blood Bank; Hospital Sirio-Libanes; São Paulo Brazil
16. NBGRL Magen David Adom; Ramat Gan Israel
17. Rh Laboratory; Winnipeg Manitoba Canada