1 Department of Internal Medicine V, University Hospital Heidelberg, Heidelberg, Germany.
2 National Center for Tumor Diseases (NCT) Heidelberg, Heidelberg, Germany.
3 Division of Biostatistics, German Cancer Research Center (DKFZ), Heidelberg, Germany.
4 Department of Hematology, University Clinic Essen, Essen, Germany.
5 Department of Internal Medicine I, University Hospital Cologne, Cologne, Germany.
6 Department of Oncology, Hematology and Bone Marrow Transplantation with Section of Pneumology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
7 Department of Hematology, Oncology and Immunology, University Hospital Tübingen, Tübingen, Germany.
8 Institute of Child Nutrition, Max Rubner Institute, Federal Research Institute of Nutrition and Food, Karlsruhe, Germany.
9 Department of Internal Medicine III, University Medical Center Mainz, Mainz, Germany.
10 Department of Hematology and Oncology, Katholisches Krankenhaus Hagen, Hagen, Germany.
11 Institute of Human Genetics, University of Heidelberg, Heidelberg, Germany.
12 Coordination Centre for Clinical Trials, University Hospital Heidelberg, Heidelberg, Germany.
13 Department of Hematology and Oncology, Helios Hospital Berlin Buch, Berlin, Germany.
14 University Hospital Bonn, Bonn, Germany.
15 Department of Hematology and Oncology, Asklepios Hospital Hamburg St. Georg, Hamburg, Germany.
16 Department of Hematology, Oncology and Palliative Care, Klinikum Bielefeld, Bielefeld, Germany.
17 Department of Internal Medicine V, Klinikum Darmstadt, Darmstadt, Germany.
18 Medical Clinic A, Klinikum Ludwigshafen, Ludwigshafen, Germany.
19 Medical Clinic, Charité University Medicine Berlin, Berlin, Germany.
20 Department of Internal Medicine III, Klinikum Chemnitz, Chemnitz, Germany.
21 Department of Hematology and Oncology, Asklepios Hospital Hamburg Altona, Hamburg, Germany.
22 Department of Internal Medicine V, University Hospital Heidelberg, Heidelberg, Germany. hartmut.goldschmidt@med.uni-heidelberg.de.
23 National Center for Tumor Diseases (NCT) Heidelberg, Heidelberg, Germany. hartmut.goldschmidt@med.uni-heidelberg.de.