Peter Borchmann1*, Andreas Engert2, Annette Pluetschow2*, Michael Fuchs2*, Jana Markova3*, Andreas Lohri4, Zdenek Kral5*, Richard Greil6*, Max Topp7*, Matthias Villalobos8*, Jose Zijlstra, MD9*, Martin Soekler10*, Harald Stein11*, Hans Theodor Eich12*, Rolf Peter Mueller13* and Volker Diehl14
1First Department of Internal Medicine, University of Cologne, Cologne, Germany
2First department of Internal Medicine / German Hodgkin Study Group (GHSG), University of Cologne, Cologne, Germany
3Hematologia, Fakultni Nemocnice Kralovske Vinohrady, Prague, Czech Republic
4Dept. of Oncology/Hematology, Medical University Clinic, Liestal, Switzerland
5Department of Internal Medicine and Hematology, University Hospitel of Brno, Brno, Czech Republic
6Third Department of Internal Medicine, University of Salzburg, Salzburg, Austria
7Department of Hematology and Oncology, University of Wuerzburg, Wuerzburg, Germany
8Department of Internal Medicine V, University of Heidelberg, Heidelberg, Germany
9Hematology, VU University Medical Centre Amsterdam, Amsterdam, Netherlands
10Hematology and Oncology, University of Tuebingen, Tuebingen, Germany
11Institute of Pathology, University Hospitel Benjamin Franklin Berlin, Berlin, Germany
12Department of Radiotherapy, University of Cologne, Cologne/Germany, Germany
13Department of Radiotherapy, University of Cologne, Cologne, Germany
14First department of Internal Medicine / German Hodgkin Study Group (GHSG), University of Cologne, Cologne/Germany, Germany