1. Department of Population Medicine, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada.
2. Institute of Ocean Sciences, Fisheries and Oceans Canada, Sidney, British Columbia, Canada.
3. Department of Invertebrate Zoology, University of Gdańsk, Gdańsk, Poland.
4. Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada.
5. Nunavik Research Centre, Makivik Corporation, Kuujjuaq, Quebec, Canada.