1. Department of Hematology Vejle Hospital, Vejle and University of Southern Denmark Vejle Denmark
2. Faculty of Health Sciences University of Southern Denmark Odense Denmark
3. COPSAC, Copenhagen Prospective Studies on Asthma in Childhood, Herlev and Gentofte Hospital University of Copenhagen Denmark
4. Department of Hematology Odense University Hospital Odense Denmark
5. Department of Hematology Aalborg University Hospital Aalborg Denmark
6. Department of Hematology Herlev University Hospital Herlev Denmark
7. Department of Hematology Regional Hospital West Jutland Holstebro Denmark
8. Department of Hematology Hospital of South West Jutland Esbjerg Denmark
9. Department of Hematology Aabenraa Hospital Aabenraa Denmark
10. Department of Hematology Aarhus University Hospital Aarhus Denmark
11. Department of Hematology Zealand University Hospital Roskilde Denmark
12. Department of Pathology Herlev University Hospital Herlev Denmark
13. Department of Hematology Rigshospitalet Copenhagen Denmark