1. Department of Haematology and Oncology, Medical Centre Otto‐von‐Guericke University Magdeburg Magdeburg Germany
2. Department of Haematology, Medical Oncology and Pneumology University Medical Centre of the Johannes Gutenberg‐University Mainz Germany
3. Department of Oncology, Haematology, Haemostaseology and Stem Cell Transplantation University Hospital RWTH Aachen Aachen Germany
4. Centre for Integrated Oncology (CIO), Aachen, Bonn, Cologne Düsseldorf (ABCD) Germany
5. Department of Internal Medicine I University Hospital of Cologne Cologne Germany
6. Clinic of Haematology, Oncology and Pneumology Carl‐Thiem‐Hospital Cottbus Cottbus Germany
7. Department of Haematology and Oncology Red Cross Hospital Munich Munich Germany
8. Department of Internal Medicine II University Hospital Würzburg Würzburg Germany