1 Department of Infectious Diseases/Virology, Medical Faculty, University of Heidelberg, Heidelberg, Germany.
2 BioQuant, University of Heidelberg, Heidelberg, Germany.
3 Department of Infectious Diseases/Virology, Medical Faculty, University of Heidelberg, Heidelberg, Germany. dirk.grimm@bioquant.uni-heidelberg.de.
4 BioQuant, University of Heidelberg, Heidelberg, Germany. dirk.grimm@bioquant.uni-heidelberg.de.
5 German Center for Infection Research (DZIF) and German Center for Cardiovascular Research (DZHK), Heidelberg, Germany. dirk.grimm@bioquant.uni-heidelberg.de.