1. ORLEN UniCRE a.s., Revoluční 1521/84, 400 01 Ústí nad Labem, Czech Republic
2. Faculty of Environmental Technology, University of Chemistry and Technology Prague, Technická 1905, 166 28 Prague, Czech Republic
3. Department of Chemistry, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamýcká 129, 165 00 Prague, Czech Republic