1. The Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Prague 6 CZ-16000, Czech Republic
2. School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane 4072, Australia
3. The Centre for Microscopy and Microanalysis, The University of Queensland, Brisbane 4072, Australia
4. Institute of Parasitology, Biology Centre ASCR, České Budějovice 37005, Czech Republic
5. Faculty of Science, University of South Bohemia, České Budějovice 37005, Czech Republic