1. a Department of Physical Chemistry , Slovak University of Technology , SK-812 37 Bratislava , Slovakia
2. b Department of Inorganic Chemistry, Faculty of Science , Palacký University , 17. listopadu 12 , CZ-771 46 Olomouc , Czech Republic
3. c Center of Advanced Studies, Faculty of Military Health Sciences , University of Defence , Třebešská 1575 , CZ-500 01 Hradec Králové , Czech Republic
4. d Department of Pharmaceutical Chemistry and Drug Control, Faculty of Pharmacy in Hradec Králové , Charles University in Prague , Heyrovskeho 1203 , CZ-500 05 Hradec Králové , Czech Republic
5. e Department of Inorganic Chemistry , Slovak Technical University , Radlinskeho 9 , SK-812 37 Bratislava , Slovakia