1. Department of Animal Husbandry; Faculty of Veterinary Medicine; University of Zagreb; Zagreb Croatia
2. Department of Anatomy, Histology and Embryology; Laboratory for Neurocardiology; School of Medicine; University of Split; Split Croatia
3. Department of Animal Science; Faculty of Agriculture; University of Osijek; Osijek Croatia
4. Department of Animal Nutrition and Dietetics; Faculty of Veterinary Medicine; University of Zagreb; Zagreb Croatia