1. Department of Organic Chemistry, University of Szeged, Szeged, Hungary;
2. 1st Department of Medicine, University of Szeged, Szeged, Hungary;
3. Department of Microbiology, University of Szeged, University of Szeged, Szeged, Hungary;
4. Laboratory of Chemical Biology, Institute of Biochemistry, Biological Research Centre of the Hungarian Academy of Sciences, Szeged, Hungary
5. Institute of Biochemistry, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia