[1] Outpatient Clin Hematol & Oncol, Onkol Koln, Cologne, Germany
[2] mediStatistica, Neuenrade, Germany
[3] Outpatient Clin Hematol & Oncol, Dortmund, Germany
[4] Outpatient Clin Hematol & Oncol, Cologne, Germany
[5] Univ Clin, Hematol & Oncol, Dusseldorf, Germany