1. Institute of Parasitology, Biology Centre, Czech Academy of Sciences, České Budějovice, Czech Republic
2. Faculty of Science, Charles University, Prague, Czech Republic
3. Institute of Physics, Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic
4. Faculty of Sciences, University of South Bohemia, České Budějovice, Czech Republic
5. Institute of Plant Molecular Biology, Biology Centre, Czech Academy of Sciences, České Budějovice, Czech Republic
6. Institute of Scientific Instruments, Czech Academy of Sciences, Brno, Czech Republic
7. Institute of Physics, Czech Academy of Sciences, Prague, Czech Republic