1. Institute of Macromolecular Chemistry, CAS, Heyrovského sq. 2, Prague 6 162 06, Czech Republic
2. Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University, Hlavova 8, Prague 2 128 43, Czech Republic
3. Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacký University Olomouc, Hněvotínská 5, Olomouc 779 00, Czech Republic
4. Forensic Laboratory of Biologically Active Substances, University of Chemistry and Technology, Technická 1905/5, Prague 160 00, Czech Republic