1. Department of Hematology Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel (VUB) Brussels Belgium
2. Federal Public Service Health, Food Chain Safety and Environment Brussels Belgium
3. Nursing and Midwifery Research Unit University Hospital Brussels Brussels Belgium
4. Nursing and Midwifery Research Unit, Faculty of Medicine and Pharmacy Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel (VUB) Brussels Belgium
5. Centre for Research and Innovation in Care, Midwifery Research Education and Policymaking (MIDREP) Verpleeg‐ en vroedkunde, Universiteit Antwerpen Antwerp Belgium
6. Federal Agency for Medicines and Health Products Brussels Belgium
7. Clinical Laboratory Jan Yperman Hospital Ypres Belgium
8. Department of Hematology Universitair Ziekenhuis Gasthuisberg, Katholieke Universiteit Leuven Leuven Belgium
9. Blood Bank Centre Hospitalier Universitaire Liège Liège Belgium
10. Blood Bank Universitair Ziekenhuis Gent Ghent Belgium
11. Department of Nursing Centre Hospitalier Régional de la Citadelle Liège Liège Belgium
12. Clinical Laboratory Algemeen Ziekenhuis Nikolaas Sint‐Niklaas Belgium
13. Blood Bank, Département des Laboratoires Cliniques, Cliniques universitaires Saint‐Luc Université Catholique de Louvain Brussels Brussels Belgium