1. Moldova State University
2. Department of Chemistry
3. Chisinau
4. Republic of Moldova
5. National University of Singapore
6. 117543 Singapore
7. Institute of Inorganic Chemistry of the University of Vienna
8. A-1090 Vienna
9. Austria
10. Department of Inorganic and Analytical Chemistry
11. University of Szeged
12. H-6720 Szeged
13. Hungary
14. Petru Poni Institute of Macromolecular Chemistry
15. 700487 Iasi
16. Romania
17. Institute of Physical Chemistry and Chemical Physics
18. Faculty of Chemical and Food Technology
19. Slovak University of Technology in Bratislava
20. SK-81237 Bratislava
21. Slovakia