1. Department of Internal Medicine III, Hematology and Oncology, University Hospital Regensburg, Franz-Josef-Strauß-Allee 11, 93053 Regensburg, Germany
2. Division of Personalized Tumor Therapy, Fraunhofer Institute for Toxicology and Experimental Medicine, 30625 Regensburg, Germany
3. Bavarian Cancer Research Center (BZKF), University Hospital Regensburg, 93053 Regensburg, Germany
4. Department of Biology, University of Rome “Tor Vergata”, 00133 Rome, Italy