1. Faculty of Chemistry, University of Wroclaw, F. Joliot-Curie 14, 50-383 Wroclaw, Poland
2. Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Via A. Moro 2, 53100 Siena, Italy
3. Public Higher Medical Professional School in Opole, Katowicka 68, 45-060 Opole, Poland