Affiliation: | 1. Laboratory of Parasitic Worms and White Sea Biological Station, Zoological Institute of the Russian Academy of Sciences, St. Petersburg, Russia 2. Invertebrate Zoology Department, St. Petersburg State University, St. Petersburg, Russia 3. Norwegian Institute for Nature Research, Troms?, Norway 4. Zoology Department, Trinity College, Dublin 2, Ireland 5. White Sea Biological Station, Zoological Institute of the Russian Academy of Sciences, St. Petersburg, Russia 6. University of Iceland, Keldur, Iceland 7. School of Environmental Sciences, University of Ulster, Newtownabbey, BT37 0QB, N. Ireland, UK 8. Hydrobiology and Ichthyology Department, St. Petersburg State University, St. Petersburg, Russia 9. Laboratory of Helminths’ Ecology, Institute of the Biological Problems of the North of the Russian Academy of Sciences, Magadan, Russia
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