1. a Department of Pharmaceutical Analysis and Nuclear Pharmacy, Faculty of Pharmacy , Comenius University in Bratislava , Bratislava , Slovak Republic
2. b Faculty of Pharmacy, Toxicological and Antidoping Center , Comenius University in Bratislava , Bratislava , Slovak Republic
3. c Translational Research Unit, National Cancer Institute , Comenius University , Bratislava , Slovak Republic
4. d Faculty of Pharmacy , Kuwait University , Safat , Kuwait