1. Department of Analytical Chemistry; University of Chemistry and Technology Prague; Technická 5 CZ-166 28 Prague 6 Czech Republic
2. Department of Physical Chemistry; University of Chemistry and Technology Prague; Technická 5 CZ-166 28 Prague 6 Czech Republic
3. Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences; Flemingovo nám. 2 CZ-166 10 Prague 6 Czech Republic
4. First Faculty of Medicine; Charles University in Prague; Kateřinská 32 CZ-121 08 Prague 2 Czech Republic