1. Department of Ecosystem and Public Health, Faculty of Veterinary Medicine, University of Calgary, Calgary, Alberta T2N 4N1, Canada
2. Environment and Natural Resources, Government of the Northwest Territories, Yellowknife, Northwest Territories X1A 3S8, Canada
3. Department of Environment—Kivalliq Region, Government of Nunavut Arviat, Nunavut X0C0E0, Canada
4. Canadian Food Inspection Agency, Ottawa Laboratories Fallowfield, Nepean, Ontario K2H 8P9, Canada
5. Faculty of Medicine, University of Calgary, Calgary, Alberta T2N 4N1, Canada