1. Department of Haematology; Queen′s University Belfast; Belfast; UK
2. Department of Haematology; Uppsala University Hospital; Uppsala; Sweden
3. Department of Haematology; VU University Medical Centre; Amsterdam; The Netherlands
4. Department of Haematology; Guy's and St Thomas; NHS Foundation Trust; London; UK
5. Department of Haematology; Russells Hall Hospital; Dudley; UK
6. Department of Haematology; Cardiff University; Cardiff; UK
7. Department of Internal Medicine; Stockholm South Hospital; Stockholm; Sweden
8. Haematology Centre; Karolinska University Hospital; Stockholm; Sweden
9. Division of Haematology; Department of Medicine; Örebro University Hospital; Örebro; Sweden
10. Department of Haematology; Uddevalla Hospital; NU Hospital Organization; Uddevalla; Sweden
11. Department of Haematology; Herlev Hospital; Herlev; Denmark
12. Department of Haematology; Copenhagen University Hospital; Rigshospitalet; Copenhagen; UK
13. Department of Haematology; Odense University Hospital; Odense; Denmark
14. Department of Internal Medicine, (Haematological Department); Viborg Hospital; Viborg; Denmark
15. Department of Haematology; Esbjerg Hospital; Esbjerg; Denmark
16. Department of Haematology; Roskilde Hospital; Roskilde; Denmark