1. Estonian University of Life Science, Institute of Veterinary Medicine and Animal Sciences, 51014 Tartu, Estonia.
2. CIISA - Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisboa, Portugal.
3. Friedrich-Loeffler-Institut (FLI), Federal Research Institute for Animal Health, 17493 Greifswald-Insel Riems, Germany.
4. CIRAD, UMR ASTRE (Animal, Health, Territories, Risks and Ecosystems), 34398 Montpellier, France.
5. ASTRE, Univ Montpellier, CIRAD, INRAE, 34398 Montpellier, France.
6. Federal Research Center for Virology and Microbiology, 601125 Vladimir region, Russia.
7. Istituto Zooprofilattico Sperimentale della Sardegna, 07100 Sassari, Italy.
8. National Veterinary Institute, 751 89 Uppsala, Sweden.