1. Institute of Molecular Virology Ulm University Medical Center 89081 Ulm Germany
2. Central Facility for Electron Microscopy Ulm University 89081 Ulm Germany
3. Institute of Virology Ulm University Medical Center 89081 Ulm Germany
4. Center for Integrative Infectious Disease Research Integrative Virology University Hospital Heidelberg 69120 Heidelberg Germany
5. German Center for Infection Research (DZIF) Partner Site Heidelberg 69120 Heidelberg Germany
6. Core Facility Functional Peptidomics Ulm University Medical Center 89081 Ulm Germany