1. Laboratory of Plant Biotechnologies, Institute of Experimental Botany, The Czech Academy of Sciences, 16502 Prague, Czech Republic
2. Department of Pharmaceutical and Pharmacological Sciences, University of Padua, 35131 Padua, Italy
3. Mass
Spectrometry Group, Institute of Organic Chemistry and Biochemistry, The Czech Academy of Sciences, CZ-16610 Prague, Czech Republic
4. Veterinary Research Institute, CZ-62100 Brno, Czech Republic