1. Institute of Biology and Ecology, Faculty of ScienceP.J. Šafárik University in Košice Košice Slovak Republic
2. Institute of Mathematics, Faculty of ScienceP.J. Šafárik University in Košice Košice Slovak Republic
3. Laboratories of Pharmacology, Department of Health SciencesUniversity of Milan Milan Italy
4. Pediatric Clinical Research Center "Fondazione Romeo e Enrica Invernizzi", L. Sacco Department of Biomedical and Clinical ScienceUniversity of Milan Milan Italy