1. School of Aquatic and Fishery Sciences University of Washington Seattle Washington98195USA
2. School of Oceanography University of Washington Seattle Washington98195USA
3. Fisheries and Oceans Canada Delta British ColumbiaV3M 6A2Canada
4. Fishery Resource Analysis and Monitoring Division Northwest Fisheries Science Center National Marine Fisheries ServiceNational Oceanic and Atmospheric Administration Seattle Washington98112USA
5. Institute for the Oceans and Fisheries University of British Columbia Vancouver British ColumbiaV6T 1Z4Canada