1. Outpatient Clinic for Hematology and Oncology, Sachsenring 69, 50677 Cologne, Germany
2. Outpatient Clinic for Oncology, Kettwiger Strasse 62, 45468 Mülheim an der Ruhr, Germany
3. Outpatient Clinic for Oncology, Prinzregentenstrasse 1, 86150 Augsburg, Germany
4. Department for Internal Medicine I, Westpfalz-Klinikum, Hellmut-Hartert-Strasse 1, 67655 Kaiserslautern, Germany
5. iOMEDICO, Hanferstrasse 28, 79108 Freiburg, Germany
6. Outpatient Clinic for Interdisciplinary Oncology and Hematology, Wirthstrasse 11c, 79110 Freiburg, Germany