[1] Univ Canc Ctr, Krankenhaus Nordwest, Frankfurt, Germany
[2] Univ Klinikum Giessen & Marburg, Marburg, Germany
[3] HOPE Hamatol Onkol Praxis Eppendorf, Hamburg, Germany
[4] Helios MVZ Sudniedersachsen GmbH, Northeim, Germany
[5] Charite Univ Med Berlin, Dept Hematol Oncol & Tumor Immunol, Berlin, Germany
[6] Univ Hosp, Med Ctr 2, Tubingen, Germany
[7] Onkol Ravensburg, Ravensburg, Germany
[8] Hannover Med Sch, Hannover, Germany
[9] UKSH Campus Luebeck, Lubeck, Germany
[10] Helios Klinikum Bad Saarow, Bad Saarow Pieskow, Germany
[11] Kliniken Essen Mitte, Dept Med Oncol, Essen, Germany
[12] Nordoberpfalz Hosp, Dept Med 1, Weiden, Germany
[13] Staufer Klinikum, Mutlangen, Germany
[14] Tech Univ, Dept Internal Med 2, Munich, Germany
[15] Lahr Med Clin, Ortenau Clin, Lahr, Germany
[16] Acad Teaching Hosp Wolfsburg, Dept Internal Med 2, Wolfsburg, Germany
[17] Klinikum Bielefeld, Bielefeld, Germany
[18] Tech Univ Munich, Dept Internal Med Hematol Med Oncol 3, Klinikum Rechts Isar, Munich, Germany