1. Department of Bioscience Aarhus University Aarhus C Denmark
2. Greenland Institute of Natural Resources Nuuk Greenland
3. Norwegian College of Fishery ScienceUiT the Arctic University of Norway Tromsø Norway
4. North West Iceland Nature Center Saudárkrókur Iceland
5. Department of Biology Concordia University Montreal Québec Canada
6. IBIS (Institut de Biologie Intégrative et des Systèmes) Université Laval Québec Canada