1. Department of Zoology, University of British Columbia, Vancouver, BC, Canada V6T 1Z4
2. Department of Cellular and Physiological Sciences, University of British Columbia, Vancouver, BC, Canada V6T 1Z3
3. Animal Health Centre, 1767 Angus Campbell Road, Abbotsford, BC, Canada V3G 2M3
4. Vancouver Aquarium Marine Science Centre, PO Box 3232, Vancouver, BC, Canada V6G 3E2
5. Department of Biology and Marine Biology, University of North Carolina Wilmington, Wilmington, NC 28403, USA
6. Fisheries and Oceans, Canada, St John's, NL, Canada A1C 5X1