1. Department of Biosciences, University of Oslo, NO-0316 Oslo, Norway
2. Department of Natural Resource Sciences, McGill University, Sainte-Anne-de-Bellevue, QC H9X 3 V9, Canada
3. Norwegian Polar Institute, Fram Centre, NO-9296 Tromsø, Norway
4. Ecotoxicology & Wildlife Health, Environment and Climate Change Canada, Burlington, ON, L7S 1A1, Canada
5. Aquatic Contaminants Research Division, Environment and Climate Change Canada, Burlington, ON, L7S 1A1, Canada