1. Polymer Institute, Slovak Academy of Sciences; Dúbravská cesta 9 845 41 Bratislava Slovakia
2. Charles University in Prague, Faculty of Mathematics and Physics; Charles University in Prague; 182 00 Prague 8 Czech Republic
3. School of Chemical Engineering; National Technical University of Athens; 9 Heroon Polytechniou St. Zographos 157 80 Athens Greece