1. Alaska Fisheries Science Center, NOAA, Seattle, WA, USA
2. College of Oceanic and Atmospheric Sciences, Oregon State University, Corvallis, OR, USA
3. National Institute of Aquatic Resources, Technical University of Denmark, Charlottenlund, Denmark
4. Institute for Hydrobiology and Fisheries Science, University of Hamburg, Hamburg, Germany
5. Biology Department, McGill University, Montreal, Quebec, Canada
6. Institute of Marine Research, Bergen, Norway