1. Department of Microbiology; National Veterinary Research Institute; Pulawy Poland
2. Department of Microbiology; National Tuberculosis and Lung Diseases Research Institute; Warsaw Poland
3. Department of Food Hygiene and Public Health Protection, Faculty of Veterinary Medicine; Warsaw University of Life Sciences; Warsaw Poland
4. Pope John Paul II State School of Higher Education; Biala Podlaska Poland
5. Animal and Plant Health Agency; Weybridge UK