1. Institute of Chemistry, University of Miskolc, Egyetemváros A/2, H-3515 Miskolc, Hungary
2. Faculty of Sciences and Technologies, LASIR (UMR CNRS 8516), University of Lille, 59655 Villeneuve d’Ascq, France
3. Department of Chemistry, Eszterházy Károly University, Leányka u. 6, H-3300 Eger, Hungary