1. Department of Immunopathology Sanquin Research and Landsteiner Laboratory Academic Medical Centre Amsterdam Netherlands
2. Transfusion Research Center Belgian Red Cross Flanders Ghent Belgium
3. Institute of Transfusion Medicine Ulm University Ulm Germany
4. Institute for Clinical Transfusion Medicine and Immunogenetics German Red Cross Blood Transfusion Service Baden‐Wurttemberg‐Hessen and University Hospital Ulm Ulm Germany
5. Etablissement Français du Sang La Plaine St‐Denis France
6. Microbiology Services NHS Blood and Transplant London UK
7. Department of Diagnostic Sciences Ghent University Ghent Belgium