1. Institute of Pathology and Forensic Veterinary MedicineUniversity of Veterinary Medicine Vienna, Vienna A-1210, Austria
2. Institute for Veterinary Disease Control Mödling, Austrian Agency for Health and Food Safety (AGES), Mödling A-2340, Austria
3. Institute of VirologyUniversity of Veterinary Medicine Vienna, Vienna A-1210, Austria
4. Veterinary Practice St. Agatha, St. Agatha A-4084, Austria
5. Veterinary Practice Hartkirchen, Hartkirchen 4081, Austria
6. Department of Basic Medical Sciences, College of MedicineMohammed Bin Rashid University of Medicine and Health Sciences, Dubai Healthcare City, Dubai 505055, United Arab Emirates