1. PolyOrgLab; Faculty of Chemistry and Chemical Engineering University of Maribor; Smetanova 17 2000 Maribor Slovenia
2. Faculty of Medicine; University of Maribor; Taborska ulica 8 2000 Maribor Slovenia
3. Faculty of Natural Sciences and Mathematics; University of Maribor; Koroška 160 2000 Maribor Slovenia
4. Institute of Macromolecular Chemistry Academy of Sciences of the Czech Republic; v.v.i., Heyrovského námesti 2 16206 Prague Czech Republic