1. Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, 812 37 Bratislava, Slovak Republic
2. VÚRUP, a.s., Vlčie Hrdlo, 820 03 Bratislava, Slovak Republic
3. Faculty of Chemical Technology, University of Pardubice, Studentská 573, 532 10 Pardubice, Czech Republic