1. Environmental Research Division, Southwest Fisheries Science Center, National Marine Fisheries Service National Oceanic and Atmospheric Administration Monterey California USA
2. Institute of Marine Sciences University of California, Santa Cruz Santa Cruz California USA
3. NRC Research Associateship Program, Conservation Biology Division, Northwest Fisheries Science Center, National Marine Fisheries Service National Oceanic and Atmospheric Administration Seattle Washington USA
4. Conservation Biology Division, Northwest Fisheries Science Center, National Marine Fisheries Service National Oceanic and Atmospheric Administration Seattle Washington USA
5. Ocean Associates, Inc. Arlington Virginia USA
6. Center for Ecosystem Sentinels, Department of Biology University of Washington Seattle Washington USA