1. University of Chemistry and Technology, Prague, Department of Biotechnology, Technická 5, 166 28, Praha 6, Prague, Czech Republic
2. Research Centre Rez, Department of Material Analysis, Hlavní 130, 250 68, Husinec-Řež, Czech Republic
3. Czech Technical University in Prague, Faculty of Biomedical Engineering, nám. Sítná 3105, 272 01, Kladno, Czech Republic
4. Research Institute of Brewing and Malting, Lípová 15, 120 44, Prague, Czech Republic
5. University of Chemistry and Technology, Prague, Department of Physics and Measurements, Technická 5, 166 28, Praha 6, Prague, Czech Republic