Affiliation: | a Department of Medicine, Hematology and Oncology, University of Münster, Albert-Schweitzer-Strasse 33, D-48129, Münster, Germany b Department of Medicine, Hematology and Oncology, University of Ulm, Ulm, Germany c Department of Medicine, Hematology and Oncology, University of Dresden, Dresden, Germany d Department of Medicine, Hematology and Oncology, Medical University of Hannover, Hannover, Germany e Department of Medical Biostatistics and Epidemiology, University of Munich, Munich, Germany |