1. Department of Food Hygiene and Public Health Protection, Institute of Veterinary Medicine, Warsaw University of Life Sciences (SGGW), Nowoursynowska 159, 02-776 Warsaw, Poland
2. Department of Microbiology, National Tuberculosis, and Lung Diseases Research Institute, Płocka 26, 01-138 Warszawa, Poland
3. Veterinary Clinic, Bukowsko 277, 38-505 Bukowsko, Poland
4. Forest Inspectorate, Komańcza 125, 38-543 Komańcza, Poland
5. Institute of Nature Conservation PAS, Mickiewicza 33, 31-120 Krakow, Poland
6. County Veterinary Inspectorate, Młynarska 45, 38-500 Sanok, Poland
7. Department of Microbiology, National Veterinary Research Institute, Aleja Partyzantów 57, 24-100 Puławy, Poland
8. Provincial Veterinary Inspectorate, Piotra Ścigiennego 6a, 38-400 Krosno, Poland