1. Department of Veterinary Public Health and Animal Welfare; Faculty of Veterinary Hygiene and Ecology; University of Veterinary and Pharmaceutical Sciences Brno; Brno Czech Republic
2. Institute of Vertebrate Biology; Academy of Sciences of the Czech Republic; Brno Czech Republic
3. Department of Pathological Morphology and Parasitology; Faculty of Veterinary Medicine; University of Veterinary and Pharmaceutical Sciences Brno; Brno Czech Republic