1 Emeritus Professor of Microbiology and Biotechnology, University of Ljubljana, Jamnikarjeva 101, 1000 Ljubljana, Slovenia.
2 Chair of Biotechnology, Microbiology and Food Safety, Department of Food Science and Technology, Biotechnical Faculty, University of Ljubjana, Jamnikarjeva 101, 1000 Ljubljana, Slovenia.
3 Laboratory for Food Chemistry, Department of Analytical Chemistry, National Institute of Chemistry, Hajdrihova 19, 1000 Ljubljana, Slovenia.