1. Dept of Biology; Univ. of Washington; Seattle WA 98195 USA
2. Dept of Evolution and Ecology; Univ. of California; Davis CA USA
3. Virginia Inst. of Marine Science, Gloucester Point; VA USA
4. Environmental and Marine Biology, Faculty of Science and Engineering, Åbo Akademi Univ.; Åbo Finland
5. Dépt des sciences fondamentales; Univ. du Québec à Chicoutimi; Chicoutimi QC Canada
6. Florida Gulf Coast Univ.; Fort Myers FL USA
7. Dept of Ecology, Environment and Plant Sciences; Stockholm Univ.; Stockholm Sweden
8. Centro de Ciencias do Mar do Algarve (CCMAR), Univ. of Algarve; Faro Portugal
9. Inst. of Fisheries and Environment of Inland Sea, Japan Fisheries Research and Education Agency; Hiroshima Japan
10. Dept of Biology; San Diego State Univ.; San Diego CA USA
11. College of Fisheries and Ocean Sciences, Univ. of Alaska Fairbanks; AK USA
12. Dept of Marine Sciences; Univ. of Gothenburg; Göteborg Sweden
13. Akkeshi Marine Station, Field Sciences Center of Northern Biosphere, Hokkaido Univ.; Aikappu, Akkeshi Hokkaido Japan
14. Dept of Zoology and Biodiversity Research Centre; Univ. of British Columbia; Vancouver BC Canada
15. Groningen Inst. for Evolutionary Life Sciences, Univ. of Groningen; Groningen the Netherlands
16. Grice Marine Laboratory, College of Charleston; Charleston SC USA
17. Tennenbaum Marine Observatories Network, Smithsonian Inst.; Washington D.C. USA