1. Faculty of Science, Charles University in Prague, Hlavova 2030, 128 43 Praha 2, Czech Republic
2. Institute of Inorganic Chemistry, v.v.i., Academy of Sciences of the Czech Republic, 250 68 Řež, Czech Republic
3. Elmarco, s.r.o., V Horkách 76/18, 460 07 Liberec 9, Czech Republic
4. J. Heyrovský Institute of Physical Chemistry, v.v.i., Academy of Sciences of the Czech Republic, Dolejškova 3, 18223 Praha 8, Czech Republic