1. Institute of Marine Research Bergen Norway
2. Uppsala University Uppsala Sweden
3. Institute of Biology of the Karelian Research Centre Petrozavodsk Russia
4. Department of Biological Sciences University of Bergen Bergen Norway
5. Conte Anadromous Fish Research Laboratory U.S. Geological Survey, Leetown Science Center Turners Falls MA USA
6. Organismal and Evolutionary Biology Research Program Faculty of Biological and Environmental Sciences University of Helsinki Helsinki Finland
7. Institute of Biotechnology University of Helsinki Helsinki Finland