1. Department of Research and Development Netherlands Comprehensive Cancer Organisation (IKNL) Utrecht The Netherlands
2. Department of Internal Medicine Albert Schweitzer Hospital Dordrecht The Netherlands
3. Department of Registration Netherlands Comprehensive Cancer Organisation (IKNL) Utrecht The Netherlands
4. Department of Internal Medicine Reinier de Graaf Hospital Delft The Netherlands
5. Department of Haematology Leiden University Medical Center Leiden The Netherlands
6. Department of Haematology Erasmus MC Cancer Institute Rotterdam The Netherlands
7. Department of Haematology Cancer Center Amsterdam Amsterdam UMC University of Amsterdam Amsterdam The Netherlands
8. Department of Public Health Erasmus University Medical Center Rotterdam The Netherlands