1. Department of Hematology and Oncology; University Medical Center Freiburg; Hugstetter Str. 55; D-79106; Freiburg; Germany
2. Institute of Medical Biometry and Medical Informatics; University Medical Center Freiburg; Hugstetter Str. 55; D-79106; Freiburg; Germany
3. Institute of Pharmaceutical Sciences; University of Freiburg; Freiburg; Germany