1. Department of Animal Physiology, Faculty of Biotechnology and Food Sciences Slovak University of Agriculture in Nitra Nitra Slovak Republic
2. Department of Biochemistry and Biotechnology, Faculty of Biotechnology and Food Sciences Slovak University of Agriculture in Nitra Nitra Slovak Republic
3. Department of Hygiene and Food Safety, Faculty of Biotechnology and Food Sciences Slovak University of Agriculture in Nitra Nitra Slovak Republic
4. Slovak Biological Services Banska Bystrica Slovak Republic
5. Institute of Biology Pedagogical University of Krakow Krakow Poland