1. Department of BiologyCarleton University, OttawaOntario Canada
2. Science and Technology Branch, Science and Risk Assessment Directorate, Ecological Assessment DivisionEnvironment and Climate Change Canada, GatineauQuebec Canada
3. Science and Technology Branch, Wildlife and Landscape Science Directorate, Ecotoxicology and Wildlife Health DivisionEnvironment and Climate Change CanadaSaskatoon Saskatchewan Canada
4. Department of Veterinary PathologyUniversity of SaskatchewanSaskatoon Canada
5. Science and Technology Branch, Wildlife and Landscape Science Directorate, Ecotoxicology and Wildlife Health DivisionEnvironment and Climate Change Canada, OttawaOntario Canada