1. Norwegian Institute for Nature Research (NINA); Lillehammer Norway
2. Faculty of Biosciences and Natural Resources Management; Norwegian University of Life Sciences; Ås Norway
3. Laboratoire Evolution & Diversité Biologique (EDB UMR 5174); Université de Toulouse; Toulouse France
4. Department of Ocean Sciences; Memorial University of Newfoundland; St John's Canada
5. Leibniz Institute of Freshwater Ecology and Inland Fisheries; Berlin Germany
6. Department of Biological and Environmental Sciences; University of Gothenburg; Gothenburg Sweden
7. EcoLab; Université de Toulouse; Toulouse France
8. Division of Integrative Fisheries Management; Humboldt-Universität zu Berlin; Berlin Germany