1. Department of Analytical Chemistry, Faculty of Pharmacy in Hradec Králové Charles University Hradec Králové Czech Republic
2. Department of Chemistry, Faculty of Science University of Hradec Králové Hradec Králové Czech Republic
3. Department of Analytical Chemistry, Faculty of Chemical Engineering UCT Prague Prague Czech Republic
4. Department of Development Zentiva, k. s., Praha Praha Czech Republic
5. Department of Pharmaceutical Chemistry and Pharmaceutical Analysis, Faculty of Pharmacy in Hradec Králové Charles University Hradec Králové Czech Republic