1. Institute of Virology, University of Veterinary Medicine, Hannover, Germany
2. German Center for Infection Research (DZIF), Partner Site Hannover-Braunschweig, Hannover, Germany
3. Institute for Medical Microbiology, Virology, and Hygiene, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
4. German Center for Infection Research (DZIF), Partner Site Hamburg-Lübeck-Borstel, Hamburg, Germany
5. Heinrich Pette Institute, Leibniz Institute for Experimental Virology, Research Group Virus Genomics, Hamburg, Germany
6. Institute of Veterinary Virology, Vetsuisse Faculty, University of Bern, Bern, Switzerland