1. Department of Virology, Veterinary Research Institute, Brno, Czech Republic
2. Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, Ceske Budejovice, Czech Republic
3. Institute of Organic Chemistry and Biochemistry, The Czech Academy of Sciences, Prague, Czech Republic
4. The Czech Academy of Sciences, Institute of Vertebrate Biology, Brno, Czech Republic
5. Masaryk University, Department of Experimental Biology, Brno, Czech Republic