1. National Oceanic and Atmospheric Administration–Fisheries, Auke Bay Laboratory11305 Glacier HighwayJuneauAlaska99801‐8626USA
2. U.S. Geological Survey, Washington Cooperative Fish and Wildlife Research Unit, University of Washington, School of Aquatic and Fisheries SciencesPost Office Box 355020, 1122 NE Boat StreetSeattleWashington98195USA
3. High Seas Salmon Research Program, School of Aquatic and Fisheries Sciences, University of WashingtonPost Office Box 355020, 1122 NE Boat StreetSeattleWashington98195USA