[1] Charles Univ Prague, Fac Med 1, Inst Pharmacol, Prague 12800 2, Czech Republic
[2] Charles Univ Prague, Fac Med 1, Inst Clin & Expt Dent Med, Prague 12800 2, Czech Republic
[3] Charles Univ Prague, Fac Pharm Hradec Kralove, Dept Analyt Chem, Prague 12800 2, Czech Republic