1. Department of Life Sciences, School of Sciences, European University Cyprus, 6 Diogenis Str., Engomi, P.O. Box 22006, Nicosia 1516, Cyprus
2. Department of Pharmacology, School of Medicine, University of North Carolina, Chapel Hill, NC 27599, USA
3. School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, 70211 Kuopio, Finland