1. Amsterdam UMC Department of Hematology University of Amsterdam Cancer Center Amsterdam LYMMCARE Amsterdamthe Netherlands
2. Department of Registration Netherlands Comprehensive Cancer Organisation (IKNL) Utrechtthe Netherlands
3. Department of Research and Development 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 Utrechtthe Netherlands
7. Department of Public Health Erasmus MC University Medical Center Rotterdam Rotterdamthe Netherlands
8. Amsterdam UMC Department of Hematology Vrije Universiteit Amsterdam Cancer Center Amsterdam Amsterdam the Netherlands