1. Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences v.v.i., Flemingovo nám. 2, 166 10 Prague 6, Czech Republic
2. Department of Genetics and Microbiology, Faculty of Science, Charles University, Viničná 5, 128 43 Prague 2, Czech Republic
3. Institute of Microbiology, Czech Academy of Sciences v.v.i., Vídečská 1083, 142 20 Prague 4, Czech Republic
4. Department of Microbiology, Faculty of Medicine and Dentistry, Palacký University Olomouc, Hněvotínská 3, 775 15 Olomouc, Czech Republic
5. Department of Analytical Chemistry, Faculty of Science, Charles University, Albertov 6, 128 43 Prague 2, Czech Republic
6. Department of Medical Chemistry and Biochemistry, Faculty of Medicine and Dentistry, Palacký University Olomouc, Hněvotínská 3, 775 15 Olomouc, Czech Republic