1. Laboratory of the French National Reference Center in Perinatal Hemobiology Assistance Publique des Hôpitaux de Paris (AP‐HP) Paris France
2. Transfusion Medicine Unit Centre Hospitalier Universitaire Vaudois Lausanne Switzerland
3. Department of Laboratory Medicine Lund University Lund Sweden
4. Department of Clinical Immunology and Transfusion Medicine Office of Medical ServicesLund Sweden
5. Department of Clinical Immunology and Transfusion Medicine Intervention and Technology Karolinska Institutet Karolinska University Hospital and Clinical Science Stockholm Sweden
6. Department of Experimental Immunohaematology Sanquin Research and Landsteiner Laboratory Amsterdam The Netherlands
7. Laboratory Medicine Department of Thrombosis‐ Haemostasis and Transfusion Centre Hospitalier Régional de la Citadelle Liège Belgium
8. Department of Transfusion Medicine University Medical Center Göttingen Germany
9. Laboratory of Blood Genetics Department of Clinical Immunology Copenhagen University Hospital Copenhagen Denmark
10. Irish Blood Transfusion Service Blood Group Genetics National Blood Center Dublin Ireland
11. Department of Immunohematology Blood Transfusion Center of Slovenia Ljubljana Slovenia
12. Department of Clinical Immunology Aarhus University Hospital Aarhus Denmark
13. Department of Immunohaematology and Immunology of Blood Transfusion Institute of Haematology and Blood Transfusion Warsaw Poland
14. Department of Transfusion Medicine San Camillo Forlanini Hospital Roma Italy
15. Immunohematology Department Banc de Sang i Teixits Barcelona Spain
16. Finnish Red Cross Blood Service Helsinki Finland
17. Department of Immunohaematology Diagnostics and of Experimental Immunohaematology Sanquin Diagnostic Services and Sanquin Research Amsterdam Netherlands