1. Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
2. Laboratoire Hospitalier Universitaire de Bruxelles, Universitair Laboratorium Brussel (LHUB-ULB), Brussels, Belgium
3. Laboratory Medicine, Iris Hospitals South, Brussels, Belgium
4. Belgische Vereniging Apothekers Specialisten Klinische Biologie (BVASKB), Brussels, Belgium
5. CHU UCL Namur Ste Elisabeth, Namur, Belgium
6. Medical Biochemistry, Clinique Saint-Luc, UCLouvain, Woluwe-Saint-Lambert, Belgium
7. Algemeen Medisch Laboratorium (AML), Antwerp, Belgium
8. Dept of Clinical Biology, UZ Brussel, Jette, Belgium
9. Belgische Beroepsvereniging Van Artsen-Specialisten in Medische Biopathologie, Union Professionnelle de Biopathologie Médicale
10. Department of Clinical Biology, Antwerp University Hospital, Edegem, Belgium
11. Clinical Biology Ziekenhuis Oost Limburg, Genk, Belgium
12. Faculty of Medicine and Life Sciences, UHasselt, Belgium
13. Intensive Care Unit, CHU Saint-Pierre, Brussels, Belgium
14. ULB - Université Libre de Bruxelles, Brussels, Belgium
15. Department of Laboratory Medicine, OLV Hospital, Aalst, Belgium
16. KULeuven, Leuven, Belgium
17. EPI-Centre, Academisch Centrum Huisartsgeneeskunde, KU Leuven, Leuven, Belgium
18. Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
19. Department of Clinical Biology, UZ Leuven, Leuven, Belgium
20. Laboratory Medicine, Ghent University Hospital, Ghent, Belgium