1. Department of Animal Protection, Welfare and Behaviour, Faculty of Veterinary Hygiene and Ecology; University of Veterinary and Pharmaceutical Sciences Brno; Brno Czech Republic
2. Department of Veterinary Public Health and Forensic Medicine, Faculty of Veterinary Hygiene and Ecology; University of Veterinary and Pharmaceutical Sciences Brno; Brno Czech Republic
3. Department of Veterinary Sciences; University of Messina, Polo Universitario dell'Annunziata; Messina Italy