1. Department of Natural Resource Sciences, McGill University, Sainte-Anne-de-Bellevue, QC H9X 3 V9, Canada
2. Ecotoxicology and Wildlife Health Division, Wildlife and Landscape Science Directorate, Environment and Climate Change Canada, Carleton University, Ottawa, ON K1A 0H3, Canada
3. Marine and Freshwater Research Institute, 202 Hafnarfjörđur, Iceland
4. University of Iceland, 900 Vestmannaeyjar, Iceland
5. Department of Bioscience, Arctic Research Centre, Aarhus University, Roskilde DK-4000, Denmark