1. Institute of Parasitology, Biology Centre Czech Academy of Sciences České Budějovice (Budweis) Czech Republic
2. Faculty of Science University of South Bohemia České Budějovice (Budweis) Czech Republic
3. Life Science Research Centre Faculty of Science University of Ostrava Czech Republic
4. Department of Biomedical Sciences Institute of Tropical Medicine Antwerp Belgium
5. Martsinovsky Institute of Medical Parasitology Tropical and Vector Borne Diseases Sechenov University Moscow Russia