1. National Veterinary Research Institute, 24-100 Puławy, Poland
2. Department of Veterinary Microbiology, Faculty of Veterinary Medicine, Institute of Preclinical Veterinary Sciences, University of Life Sciences, 20-033 Lublin, Poland
3. Białowieża National Park, 17-230 Białowieża, Poland
4. Institute of Forest Sciences, Faculty of Civil Engineering and Environmental Sciences, Białystok University of Technology, 15-351 Białystok, Poland
5. Department of Food Hygiene and Public Health Protection, Institute of Veterinary Medicine, Warsaw University of Life Sciences (SGGW), Nowoursynowska 159, 02-776 Warsaw, Poland
6. County Veterinary Inspectorate, Orężna 9, 05-501 Piaseczno, Poland
7. County Veterinary Inspectorate, C.K. Norwida 17, 24-100 Puławy, Poland
8. Department of Animal Genetics and Conservation, Warsaw University of Life Sciences—SGGW, Ciszewskiego 8, 02-786 Warsaw, Poland
9. Provincial Veterinary Inspectorate, Piotra Ścigiennego 6a, 38-400 Krosno, Poland
10. County Veterinary Inspectorate, Młynarska 45, 38-500 Sanok, Poland
11. Pope John Paul II State School of Higher Education, 21-500 Biała Podlaska, Poland