Juraj Fedor
J. Heyrovsky Institute of Physical Chemistry
Czech Academy of Sciences
Dolejskova 3
18223 Prague
Czech Republic

juraj.fedor (at) jh-inst.cas.cz

Alexey Verkhovtsev
MBN Research Center gGmbH
Altenhoferallee 3
60438 Frankfurt am Main
Germany

verkhovtsev (at) mbnexplorer.com