[1] Charite Univ Med Berlin, Hematol Oncol & Tumorimmunol, Berlin, Germany
[2] Univ Klinikum Hamburg Eppendorf, Ctr Oncol, Hamburg, Germany
[3] Vivantes Hosp Friedrichshain, Dept Internal Med Vasc Med & Haemostaseol, Berlin, Germany
[4] Vivantes, Hematol & Med Oncol, Berlin, Germany
[5] Vivantes Klinikum Spandau, Berlin, Germany
[6] Vivantes Klinikum Neukolln, Berlin, Germany
[7] Uniklinikum Koln, Cologne, Germany