1. Centre for Evidence‐Based Practice Belgian Red Cross Brussels Belgium
2. Department of Public Health and Primary Care KU Leuven Leuven Belgium
3. Department of Donor Medicine Research Donor Studies, Sanquin Research Amsterdam The Netherlands
4. Department of Public and Occupational Health Amsterdam Public Health Research Institute, Amsterdam UMC Amsterdam The Netherlands
5. Blood Services Belgian Red Cross Brussels Belgium
6. Faculty of Medicine and Health Sciences University of Ghent Ghent Belgium
7. European Blood Alliance Brussels Belgium
8. Etablissement Français du Sang La Plaine Saint‐Denis France
9. EFS, INSERM, UMR Right Université de Franche‐Comté Besançon France
10. Department of Clinical Immunology Aarhus University Hospital Aarhus Denmark
11. Department of Clinical Medicine Aarhus University Aarhus Denmark