1. Department of Hematology Amsterdam UMC University of Amsterdam Cancer Center Amsterdam Amsterdam
2. LYMMCARE (Lymphoma and Myeloma Center Amsterdam) Amsterdam the Netherlands
3. Department of Registration Netherlands Comprehensive Cancer Organisation (IKNL) UtrechtThe 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 Hematology University Medical Center Utrecht University Utrecht Utrecht The Netherlands
7. Department of Research and Development Netherlands Comprehensive Cancer Organisation (IKNL) UtrechtThe Netherlands
8. Department of Public Health Erasmus MC University Medical Center Rotterdam RotterdamThe Netherlands
9. Department of Hematology Amsterdam UMC Vrije Universiteit Amsterdam Cancer Center Amsterdam Amsterdam The Netherlands