1. Department of Clinical Immunology; Odense University Hospital; Odense Denmark
2. Department of Transfusion; Central Manchester University Hospitals NHS Foundation Trust; Manchester UK
3. NHS Blood & Transplant; Manchester UK
4. Banca del Sangue e del Plasma CPVE; Città della Salute e della Scienza di Torino; Torino Italy
5. Department of Clinical Immunology and Transfusion Medicine; Karolinska University Hospital; Stockholm Sweden
6. Hospital Blood Bank; Mater Dei University Hospital; Msida Malta
7. Laboratory of Medical Immunology; Radboud University Medical Centre; Nijmegen The Netherlands
8. Department of Transfusion Medicine; Sanquin Blood Bank; Amsterdam The Netherlands
9. Department of Anaesthesiology; Intensive Care Medicine and Pain Therapy; University Hospital Frankfurt; Frankfurt Germany
10. German Red Cross Blood Service Baden-Wuerttemberg-Hessen; Institute of Transfusion Medicine and Immunohaematology; Frankfurt Germany
11. Italian National Blood Centre; National Institute of Health; Rome Italy
12. European Blood Alliance; Amsterdam The Netherlands
13. Oxford University Hospitals NHS Foundation Trust; Oxford UK
14. University of Oxford; Oxford UK