1. Department of Biochemistry, Faculty of Science, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
2. Institute of Analytical Chemistry of the Czech Academy of Sciences, Veveří 97, 602 00 Brno, Czech Republic
3. Institute of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, Universitätsstraße 31, 930 53 Regensburg, Germany
4. Department of Laboratory Methods, Faculty of Medicine, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic