1. Department of Internal Medicine III, Hematology & Oncology, University Hospital of Regensburg, Regensburg, Germany
2. Institute of Pathology, University of Regensburg, Regensburg, Germany
3. Center of Excellence for Fluorescent Bioanalytics (KFB), University of Regensburg, Regensburg, Germany
4. St. Elisabeth Hospital, Straubing, Germany