1. Department of Hematology, Amsterdam UMC Vrije Universiteit Amsterdam The Netherlands
2. Cancer Center Amsterdam, Treatment and Quality of life Amsterdam The Netherlands
3. HOVON Foundation Rotterdam The Netherlands
4. Department of Hematology Erasmus MC Cancer Institute Rotterdam The Netherlands
5. Department of Internal Medicine Albert Schweitzer Hospital Dordrecht The Netherlands
6. Department of Internal Medicine Meander Medical Centre Amersfoort The Netherlands
7. Department of Internal Medicine Amstelland Hospital Amstelveen The Netherlands
8. Department of Internal Medicine Medical Centre Leeuwarden Leeuwarden The Netherlands
9. Department of Internal Medicine Northwest Clinics Alkmaar The Netherlands
10. Department of Internal Medicine Gelderse Vallei Ede The Netherlands
11. Department of Internal Medicine Flevoziekenhuis Almere The Netherlands
12. Department of Internal Medicine Maasstad Hospital Rotterdam The Netherlands
13. Department of Internal Medicine Zuyderland Hospital Sittard‐Geleen The Netherlands
14. Department of Internal Medicine Antonius Ziekenhuis Nieuwegein The Netherlands
15. Department of Internal Medicine Rijnstate Hospital Arnhem The Netherlands
16. Department of Hematology University Medical Center Groningen Groningen The Netherlands
17. Department of Hematology Hagaziekenhuis, Den Haag The Netherlands