1. Heidelberg University Hospital, Cluster of Excellence CellNetworks, Department of Infectious Diseases, Virology, Heidelberg, Germany
2. BioQuant Center, University of Heidelberg, Heidelberg, Germany
3. German Center for Infection Research (DZIF), partner site Heidelberg, Germany
4. Institute of Experimental Hematology, Hannover Medical School, Hannover, Germany
5. Cluster of Excellence REBIRTH, Hannover Medical School, Hannover, Germany
6. German Center for Infection Research (DZIF), partner site Hannover-Braunschweig, Germany
7. Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany.