1. Faculty of Chemistry, University of Warsaw, Pasteur 1, 02‐093 Warsaw, Poland
2. Department of Inorganic Chemistry and Technology, Jožef Stefan Institute, Jamova 39, 1000 Ljubljana, Slovenia, http://k1.ijs.si/en/ http://www.ijs.si/ijsw/JSI
3. CENT, University of Warsaw, Żwirki i Wigury 93, 02‐089 Warsaw, Poland, http://ltnfm.icm.edu.pl/
4. University of Ljubljana, Faculty of Civil and Geodetic Engineering and Institute of Mathematics, Physics and Mechanics, Jadranska 19, 1000 Ljubljana, Slovenia