1. Centre of Polymer Systems, University Institute, Tomas Bata University in Zlín, Zlín, Czech Republic
2. Polymer Centre, Faculty of Technology, Tomas Bata University in Zlín, Zlín, Czech Republic
3. Institute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, Prague, Czech Republic
4. I3N and Physics Department, University of Aveiro, Aveiro, Portugal