1. Institute of Macromolecular Chemistry; Academy of Sciences of the Czech Republic; v.v.i., Heyrovsky sq.2 Prague 162 06 Czech Republic
2. Zoological Institute; Cell and Neurobiology; Karlsruhe Institute of Technology (KIT); Haid-und-Neu-Straße 9 Karlsruhe 76131 Germany
3. Institute of Physics; Academy of Sciences of the Czech Republic; Cukrovarnicka 10 Prague 16253 Czech Republic
4. Faculty of Nuclear Science and Physical Engineering; Czech Technical University in Prague; Trojanova 13 Prague 12000 Czech Republic
5. Institute for Applied Materials (IAM) and Karlsruhe Nano Micro Facility (KNMF); Karlsruhe Institute of Technology (KIT); Hermann-von-Helmholtz-Platz 1 Eggenstein-Leopoldshafen 76344 Germany
6. Institute for Functional Interfaces (IFG) Karlsruhe Institute of Technology (KIT); Hermann-von-Helmholtz-Platz 1; Eggenstein-Leopoldshafen 76344 Germany