1. Center of Parasitology, А.N. Severtsov Institute of Ecology and Evolution of Russian Academy of Sciences, Leninsky pr., 33, Moscow, Russia, 119071.
2. I.D. Papanin Institute for Biology of Inland Waters of Russian Academy of Sciences, Borok 119, Yaroslavl Province, Russia, 152742.
3. Russian Federal Research Institute of Fisheries and Oceanography, Verkhn. Krasnoselskaya Str. 17, Moscow, Russia, 107140.
4. Lomonosov Moscow State University, Leninskiye Gory 1, Moscow, Russia, 119234.
5. Institute of Cell Biophysics of Russian Academy of Sciences, Institutskaya Str. 3, Pushchino, Moscow Region, Russia, 142290.