1. Conservation Biology Division, Northwest Fisheries Science Center, NOAA Fisheries, 2725 Montlake Boulevard EastSeattle, Washington, 98112USA
2. Puget Sound Institute, University of Washington Tacoma, 326 East D StreetTacoma, Washington, 98421USA
3. Fisheries and Oceans Canada, 3190 Hammond Bay RoadNanaimo, British Columbia, V9T 1K6Canada