1. Department of Hematology, Amsterdam UMC, Amsterdam, the Netherlands
2. Cancer Center Amsterdam, Imaging and Biomarkers, Amsterdam, the Netherlands
3. Haukeland University Hospital, Bergen, Norway
4. Department of Medical Oncology and Hematology, University Hospital, Zurich, Switzerland
5. Swiss Group for Clinical Cancer Research (SAKK), Bern, Switzerland
6. Department of Medical Oncology, Inselspital, University Hospital, Bern, Switzerland