1. Institute of Infectology; Friedrich-Loeffler-Institut; Federal Research Institute for Animal Health; Insel Riems Germany
2. Department of Experimental Animal Husbandry and Biorisk Management; Friedrich-Loeffler-Institut; Federal Research Institute for Animal Health; Insel Riems Germany
3. Department of Veterinary Medicine; State Institute for Consumer Protection of Saxony-Anhalt; Stendal Germany
4. Landesuntersuchungsanstalt für das Gesundheits- und Veterinärwesen Sachsen; Leipzig Germany
5. Institute of Molecular Biology; Friedrich-Loeffler-Institut; Federal Research Institute for Animal Health; Insel Riems Germany