1. Department of Hematology, Aarhus University Hospital, Aarhus, Denmark;
2. Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark;
3. Department of Hematology, Odense University Hospital, Odense, Denmark;
4. Department of Hematology, Zealand University Hospital, Roskilde, Denmark;
5. Department of Hematology, Sygehus Lillebaelt, Vejle, Denmark;
6. Department of Hematology, Sydvestjysk Sygehus, Esbjerg, Denmark;
7. Department of Hematology, Aalborg University Hospital, Aalborg, Denmark;
8. Department of Medicine, Hospitalsenheden Vest, Holstebro, Denmark;
9. Department of Hematology, Herlev Hospital, Herlev, Denmark;
10. Department of Hematology, Rigshospitalet, Copenhagen, Denmark