1. Department of Veterinary Sciences, University of Messina, 98168 Messina, Italy
2. Department of Biomedical Sciences and Veterinary Public Health (BVF), Swedish University of Agricultural Sciences (SLU), P.O. Box 7036, 750 07 Uppsala, Sweden
3. Bristol Veterinary School, University of Bristol, Bristol BS40 5DU, UK
4. Linnaeus Veterinary Limited, Shirley, Solihull B90 4BN, UK
5. Independent Researcher, 64000 Pyrénées Aquitaine, France
6. Scanelis Laboratory, 31770 Colomiers, France
7. Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, University of Utrecht, 3584 CL Utrecht, The Netherlands
8. Department of Small Animal Diseases with Clinic, Institute of Veterinary Medicine, Warsaw University of Life Sciences—SGWW, 02-787 Warsaw, Poland
9. LMU Small Animal Clinic, Centre for Clinical Veterinary Medicine, LMU Munich, 80539 Munich, Germany
10. Clinical Laboratory, Department of Clinical Diagnostics and Services, Vetsuisse Faculty, University of Zurich, 8057 Zurich, Switzerland
11. Fundació Hospital Clínic Veterinari, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain
12. Faculty of Veterinary Medicine, Università degli Studi di Teramo, 64100 Teramo, Italy
13. Veterinary Virology and Animal Viral Diseases, Department of Infectious and Parasitic Diseases, FARAH Research Centre, Faculty of Veterinary Medicine, Liège University, B-4000 Liège, Belgium
14. Institute of Animal Hygiene and Veterinary Public Health, University of Leipzig, 04103 Leipzig, Germany
15. Institute of Virology, Department for Pathobiology, University of Veterinary Medicine, 1210 Vienna, Austria
16. MRC-University of Glasgow Centre for Virus Research, Garscube Estate, Glasgow G61 1QH, UK