1. Institute of Parasitology, Biology Centre of the Academy of Sciences of the Czech Republic, Branišovská 31, 37005 České Budějovice, Czech Republic
2. Faculty of Sciences, University of South Bohemia, Branišovská 31, 37005 České Budějovice, Czech Republic
3. Centre for Ecology and Hydrology, Mansfield Road, Oxford OX1 3SR, U.K.
4. Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Flemingovo nám. 2, 16610 Praha 6, Czech Republic
5. Institute of Molecular Genetics, Academy of Sciences of the Czech Republic, Flemingovo nám. 2, 16610 Praha 6, Czech Republic
6. Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20852, U.S.A.
7. Department of Biochemistry, Faculty of Science, Charles University in Prague, Hlavova 8, 12843 Praha 2, Czech Republic