1. Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Greifswald – Insel Riems, Germany
2. Research and Technology Centre (FTZ), University of Kiel, Hafentörn 1, 25761 Büsum, Germany
3. National Park Authority Schleswig-Holstein Wadden Sea, Schlossgarten 1, 25832 Tönning, Germany
4. Department of Experimental Animal Facilities and Biorisk Management, Friedrich-Loeffler-Institut, Greifswald – Insel Riems, Germany
5. Institute of International Animal Health/One Health, Friedrich-Loeffler-Institut, Greifswald – Insel Riems, Germany