1. Department of Haematology, Haemostasis, Oncology and Stem Cell Transplantation; Hannover Medical School; Hannover Germany
2. Department of Oncology, Haematology and Bone Marrow Transplantation with section Pneumology; Hubertus Wald University Comprehensive Cancer Centre Hamburg; University Medical Centre Hamburg-Eppendorf; Hamburg Germany
3. NCT-Trial Centre; National Centre for Tumour Diseases; Heidelberg Germany
4. Department of Internal Medicine III; University of Ulm; Ulm Germany
5. Department of Haematology-Oncology; Faculty of Medicine Freiburg; University of Freiburg Medical Centre; Freiburg Germany
6. Evangelisches Krankenhaus Essen-Werden; Essen Germany
7. Department of Internal Medicine III; Technical University of Munich; Munich Germany
8. Hannover Clinical Trial Centre; Hannover Medical School; Hannover Germany