1. Institute of Experimental Hematology, Hannover Medical School, Hannover, Germany
2. Laboratory for Vector based immunotherapy, Fraunhofer Institute for Cell Therapy and Immunology (IZI), Leipzig, Germany
3. Medical Department II, University Cancer Center Leipzig (UCCL), Leipzig University Medical Center, Cancer Center Central Germany, Leipzig, Germany
4. German Center for Infection Research (DZIF), Partner Site Hannover-Braunschweig, Braunschweig, Germany.