1. Department of Hematology and
2. Lymphoma and Myeloma Centre Amsterdam (LYMMCARE), Academic Medical Center, Amsterdam, The Netherlands;
3. Department of Internal Medicine III, Salzburg Cancer Research Institute, Paracelsus Medical University Salzburg, Salzburg, Austria; and
4. Department of Haemato-Oncology, Division of Cancer Studies, Faculty of Life Sciences & Medicine, King’s College London, London, United Kingdom