1. Faculty of Pharmacy in Hradec Králové, Department of Biochemical Sciences; Charles University in Prague; Hradec Králové Czech Republic
2. Faculty of Pharmacy in Hradec Králové, Department of Inorganic and Organic Chemistry; Charles University in Prague; Hradec Králové Czech Republic
3. Department of Clinical Microbiology; University Hospital; Hradec Králové Czech Republic
4. Regional Institute of Public Health; Ostrava Czech Republic
5. Institut für Organische Chemie und Makromolekulare Chemie der Friedrich-Schiller-Universität Jena; Jena Germany