1. Apáczai Csere János School of the ELTE University, Papnövelde u. 4, H-1053 Budapest, Hungary
2. Faculty of Physics, University of Vienna, Boltzmanngasse 5, A-1090 Vienna, Austria
3. Institut UTINAM (CNRS UMR 6213), Université Bourgogne Franche-Comté, 16 Route de Gray, F-25030 Besançon, France
4. Institute of Chemistry, University of Miskolc, Egyetemváros A/2, H-3515 Miskolc, Hungary
5. Department of Chemistry, Eszterházy Károly University, Leányka u. 6, H-3300 Eger, Hungary