1. National Research Council Research Associateship Program, Under Contract to Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, 2725 Montlake Blvd. E., Seattle, Washington 98112, United States
2. Environmental and Fisheries Sciences Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, 2725 Montlake Blvd. E., Seattle, Washington 98112, United States
3. Kern Statistical Services, Inc., 13680 Bete Grise RD, Mohawk, Michigan 49950, United States
4. Conservation Biology Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, 2725 Montlake Blvd. E., Seattle, Washington 98112, United States
5. Assessment and Restoration Division, Office of Response and Restoration, National Ocean Service, National Oceanic and Atmospheric Administration, 7600 Sand Point Way N.E., Seattle, Washington 98115-0070, United States
6. US Fish and Wildlife Service, 510 Desmond Dr SE #102, Lacey, Washington 98503, United States