1. Department of Internal Medicine and Clinic of Diseases of Horses, Dogs and Cats Faculty of Veterinary Medicine Wroclaw University of Environmental and Life Sciences Wroclaw Poland
2. Department of Immunology, Pathophysiology and Veterinary Preventive Medicine University of Environmental and Life Sciences Wroclaw Poland
3. Department of Pathology Faculty of Veterinary Medicine Wroclaw University of Environmental and Life Sciences Wroclaw Poland
4. National Veterinary Research Institute Puławy Poland
5. Anatomopathology Student Research Group Faculty of Veterinary Medicine Wroclaw University of Environmental and Life Sciences Wroclaw Poland