1. Department of Applied Chemistry and Microbiology, Viikki Biocenter, PO Box 56, FI-00014 University of Helsinki, Finland
2. University of South Bohemia, Faculty of Biological Sciences, Branišovská 31, Cz-370 05 České Budějovice, Czech Republic
3. Institute of Hydrobiology, Academy of Sciences of the Czech Republic, Na sádkách 7, Cz-370 05 České Budějovice, Czech Republic
4. Public Research Center – Gabriel Lippmann, Environment and Biotechnologies Research Unit, 162a avenue de la Faïencerie, L-1511 Luxembourg, Grand-duchy of Luxembourg
5. Institute of Botany, Academy of Sciences of the Czech Republic, Dukelská 145, Cz-379 82 Třeboń, Czech Republic