1. Ocean Pollution Research Unit, Institute for the Oceans and Fisheries, University of British Columbia, 2202 Main Mall, Vancouver V6T 1Z4, Canada
2. Fisheries and Oceans Canada (DFO), Fisheries and Aquaculture Management, 401 Burrard Street, Vancouver V6C 3S4, Canada
3. Department of Biology, University of Victoria, Cunningham Building 202, Victoria V8P 5C2, Canada
4. SGS AXYS Analytical Services Ltd, 2045 Mills Road W, Sidney V8L 5X2, Canada
5. Animal Health Centre, BC Ministry of Agriculture, Food and Fisheries, 1767 Angus Campbell Road, Abbotsford V3G 2M3, Canada