1. Department of Biology, University of Bergen, N-5020 Bergen.
2. Institute of Marine Research, Bergen, Norway.
3. Department of Biology and Ecology of Fishes, Leibniz-Institute of Freshwater Ecology and Inland Fisheries, Berlin.
4. Humboldt-University of Berlin, Institute of Animal Sciences, Berlin, Germany.
5. International Council for the Exploration of the Sea (ICES), Copenhagen, Denmark.
6. Laboratoire Ressources Halieutiques, Institut Fran▢ais de Recherche pour l'Exploitation de la Mer (IFREMER), Port-en-Bessin, France.
7. Evolution and Ecology Program, International Institute for Applied Systems Analysis (IIASA), Laxenburg, Austria.
8. Institute of Coastal Research, Swedish Board of Fisheries, Öregrund, Sweden.
9. Marine Research Institute, Reykjavik;
10. University of Iceland, Institute of Biology, Sturlugata 7, Reykjavik.
11. Hólaskóli, Saudarkrókur, Iceland.
12. INRB-IPIMAR National Institute for Agriculture and Fisheries, Lisboa, Portugal.
13. Wageningen Institute for Marine Resources and Ecosystem Studies (IMARES), Ijmuiden, the Netherlands.