1. Department of Haematology Erasmus University Medical Center Rotterdam The Netherlands
2. Department of Internal Medicine Amphia Hospital Breda The Netherlands
3. Myeloma Patients Europe (MPE) Brussels Belgium
4. Hematon Utrecht The Netherlands
5. Department of Research and Development Netherlands Comprehensive Cancer Organisation (Integraal Kankercentrum Nederland, IKNL) Utrecht The Netherlands
6. Department of Public and Occupational Health Amsterdam Public Health Research Institute, Amsterdam UMC, Vrije University Amsterdam Amsterdam The Netherlands