1. Department of Veterinary Prevention and Avian Diseases, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, Lublin, Poland
2. Department of Microbiology and Biotechnology, Faculty of Biology, University of Bialystok, Białystok, Poland
3. Department of Poultry Diseases, National Veterinary Research Institute, Puławy, Poland
4. Veterinary Diagnostic Laboratory Lab – Vet, Tarnowo Podgórne, Poland
5. Veterinary Cabinet - Brzeski and Partners, Giżycko, Poland