1. Department of Hematology HOVON Data Center Erasmus MC Cancer Institute Rotterdam The Netherlands
2. Department of Biomedical Data Sciences Leiden University Medical Center Leiden The Netherlands
3. Department of Hematology Erasmus University Medical Center Cancer Institute Rotterdam The Netherlands
4. Department of Hematology Leiden University Medical Center Leiden The Netherlands
5. Department of Medical Oncology and Hematology University Hospital Zurich Zurich Switzerland
6. Department of Hematology Hospital Network Antwerp Stuivenberg/Middelheim Antwerp Belgium
7. Department of Internal Medicine Hematology section Haukeland University Hospital Bergen Norway
8. Department of Clinical Science University of Bergen Bergen Norway
9. Department of Hematology Amsterdam UMC VU University Medical Center Cancer Center Amsterdam Amsterdam The Netherlands
10. Department of Hematology University Hospital Basel Basel Switzerland
11. Department of Medical Oncology University Hospital/Inselspital Bern Switzerland