1. Department of Biological Safety, German Federal Institute for Risk Assessment, Max-Dohrn-Str. 8-10, Berlin 10589, Germany
2. Institute of Ecology and Evolution, University of Bern, Baltzerstrasse 6, Bern CH-3012, Switzerland
3. Institute of Novel and Emerging Infectious Diseases, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, Greifswald-Insel Riems 17493, Germany
4. Deutsches Zentrum für Infektionsforschung (DZIF), Partner site Hamburg-Lübeck-Borstel-Riems, Südufer 10, Greifswald-Insel Riems 17493, Germany