1. Department of Pharmaceutical Analysis and Nuclear Pharmacy, Faculty of Pharmacy, Comenius University Bratislava , Odbojárov 10 , SK-832 32 Bratislava , Slovak Republic
2. Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava , Radlinského 9 , SK-812 37 Bratislava , Slovak Republic
3. Faculty of Pharmacy, Comenius University Bratislava, Toxicological and Antidoping Centre , Odbojárov 10 , SK-832 32 Bratislava , Slovak Republic