1. Southwest Fisheries Science Center; National Marine Fisheries Service; 8901 La Jolla Shores Drive La Jolla CA 92037 USA
2. Scripps Institution of Oceanography; University of California; San Diego 9500 Gilman Drive La Jolla CA 92093 USA
3. Alaska Fisheries Science Center; National Marine Fisheries Service; 7600 Sand Point Way NE Seattle WA 98115 USA
4. Northwest Fisheries Science Center; National Marine Fisheries Service; 2725 Montlake Boulevard East Seattle WA 98112 USA