1. Institute for VirologyCharité University Hospital Berlin Germany
2. Institute for Medical Virology, University Hospital, Goethe University Frankfurt Germany
3. Institute for Virology, University Hospital Düsseldorf, Faculty of Medicine, University Düsseldorf Düsseldorf Germany
4. Department Safety of Drugs and Medical DevicesPaul‐Ehrlich‐Institut Langen Germany
5. German Centre for Infection Research DZIF, Braunschweig Germany