1. Institute of Inorganic Chemistry, Academy of Sciences of the Czech Republic, Husinec-Řež 1001, 25068 Řež, Czech Republic
2. Institute of Physics, Academy of Sciences of the Czech Republic, Na Slovance 1999/2, 18221 Praha 8, Czech Republic
3. Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Flemingovo nam. 2, 16610 Prague 6, Czech Republic