1. Universitaetsklinik, Giessen, Germany;
2. Centre for Haematology & Oncology Bethanien, Berlin, Germany;
3. Stadt Klinikum Bielefeld, Bielefeld, Germany;
4. Onkologie Kassel, Kassel, Germany;
5. Evangelisches Krankenhaus Hamm, Hamm, Germany;
6. Department of Hematology and Oncology, Klinikum Bremen Mitte, Bremen, Germany;
7. Onkologische Praxis Moers, Moers, Germany;
8. Medical Office, Giessen, Germany;
9. Hematology and Oncology Group Practice, Koblenz, Germany;
10. Medical Practice for Oncology and Hematology, Eisenach, Germany;
11. Universitaetsklinikum, Giessen, Germany;
12. Wisp Gmbh, Langenfeld, Germany;