1. Department of Public Health Erasmus University Medical Center Rotterdamthe Netherlands
2. Department of Research and Development Netherlands Comprehensive Cancer Organisation (IKNL) Utrechtthe Netherlands
3. Department of Hematology Radboudumc Nijmegenthe Netherlands
4. Department of Internal Medicine Reinier de Graaf Gasthuis Delftthe Netherlands
5. Department of Hematology Leiden University Medical Center Leidenthe Netherlands
6. Department of Registration Netherlands Comprehensive Cancer Organisation (IKNL) Utrechtthe Netherlands
7. Department of Internal Medicine Albert Schweitzer Hospital Dordrechtthe Netherlands
8. Amsterdam UMC, Location VUmc, Department of Hematology Cancer Center Amsterdam Amsterdamthe Netherlands
9. Amsterdam UMC, Department of Hematology Cancer Center Amsterdam, Universiteit van Amsterdam Amsterdam the Netherlands