[1] University of Cologne,First Department of Internal Medicine
[2] Center for Integrated Oncology Aachen Bonn Cologne Dusseldorf,German Hodgkin Study Group (GHSG)
[3] University Hospital Cologne,Department of Hematology
[4] Oncology and Palliative Care,Department of Hematology
[5] Klinikum Ernst von Bergmann,Fifth Department of Internal Medicine
[6] Oncology and Tumor Immunology,Second Department of Internal Medicine
[7] Charité-Universitätsmedizin Berlin,Second Department of Internal Medicine
[8] Max-Delbrück-Center for Molecular Medicine,Department of Hematology and Cell Therapy, Medical Oncology, Hemostaseology
[9] Berlin,Department of Internal Medicine III
[10] and Experimental and Clinical Research Center (ECRC),Department of Hematology and Stem Cell Transplantation, West German Cancer Center
[11] University Hospital Heidelberg,undefined
[12] University Hospital Tübingen,undefined
[13] University Hospital Würzburg,undefined
[14] University Hospital Leipzig,undefined
[15] University Hospital Munich,undefined
[16] University Hospital Essen,undefined
[17] University of Duisburg-Essen,undefined