1 Department of Infectious Diseases, Heidelberg University, Medical Faculty Heidelberg, Virology, Center for Integrative Infectious Disease Research (CIID), Heidelberg, Germany.
2 Chica and Heinz Schaller (CHS) Research Group, Department of Infectious Diseases, Virology, University Hospital Heidelberg, Heidelberg, Germany.
3 Department of Infectious Diseases, Heidelberg University, Medical Faculty Heidelberg, Integrative Virology, Center for Integrative Infectious Disease Research (CIID), Heidelberg, Germany. oliver.fackler@med.uni-heidelberg.de.
4 German Centre for Infection Research (DZIF), Partner Site Heidelberg, Heidelberg, Germany. oliver.fackler@med.uni-heidelberg.de.