1. Department of Haematology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark;
2. Department of Haematology, Roskilde University, Roskilde, Denmark;
3. Department of Pathology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark;
4. Department of Haematology, Aarhus University Hospital, Aarhus, Denmark;
5. Department of Haematology, Odense University Hospital, Odense, Denmark;
6. Department of Haematology, Aalborg University Hospital, Aalborg, Denmark;
7. Department of Haematology, Sydvestjysk Sygehus, Esbjerg, Denmark;
8. Department of Haematology, Herlev and Gentofte Hospital, Hellerup, Denmark;
9. Department of Infectious Diseases, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark;
10. Department of Haematology, Sygehus Lillebaelt, Vejle, Denmark;
11. Department of Haematology, Sygehus Soenderjylland, Sønderborg, Denmark;
12. Department of Haematology, Hospitalsenheden Vest, Herning, Denmark