1. Faculty of Natural Sciences, University of Ss. Cyril and Methodius, 917 01 Trnava, Slovakia
2. Institute of Physics of the Czech Academy of Sciences, 182 21 Prague, Czech Republic
3. Institute of Inorganic Chemistry, Leibniz University, Hannover, D-30167, Germany
4. Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacký University Olomouc, Olomouc, Czech Republic
5. Nanotechnology Centre, Centre of Energy and Environmental Technologies, VŠB–Technical University of Ostrava, Ostrava-Poruba, Czech Republic
6. Faculty of Chemistry, University of Wroclaw, 14 F. Joliot-Curie, 50-383 Wroclaw, Poland
7. X-ray Crystallography Facility, UC San Diego, 5128 Urey Hall MC 0358, 9500 Gilman Drive, La Jolla, CA 92093, USA
8. Faculty of Health Sciences, University of Ss. Cyril and Methodius, 917 01 Trnava, Slovakia