1. Center of Parasitology of the Severtsov Institute of Ecology and Evolution of RAS Moscow Russia
2. Institute of Biology Karelian Research Centre of the RAS Petrozavodsk Russia
3. Department of Invertebrate Zoology Saint Petersburg State University St. Petersburg Russia
4. Pacific Salmons Department Russian Federal Research Institute of Fisheries and Oceanography Moscow Russia
5. Departmant of Invertebrate Zoology Faculty of Biology Lomonosov Moscow State University Moscow Russia