1. Canada Research Chair on Northern Biodiversity and Centre for Northern Studies, Université du Québec à Rimouski, Rimouski, Québec, Canada
2. Norwegian Institute for Nature Research, Trondheim, Norway
3. Prairie and Northern Wildlife Research Centre, Environment Canada, Saskatoon, Saskatchewan, Canada
4. Department of Zoology, Stockholm University, Stockholm, Sweden
5. Arctic Ecology Research Group, Francheville, France
6. Institute of Experimental Pathology, University of Münster, Münster, Germany
7. Department of Vertebrate Zoology, Faculty of Biology, Lomonosov Moscow State University, Moscow, Russia
8. Department of Arctic and Marine Biology, University of Tromsø, Tromsø, Norway
9. Norwegian Polar Institute, Fram Centre, Tromsø, Norway
10. Laboratoire de Biogéosciences, Université de Bourgogne, Dijon, France
11. Natural Resources Institute Finland, Vantaa, Finland
12. Institute of Biological Problems of the North, Far-East Branch Russian Academy of Sciences, Magadan, Russia
13. Institute for Waterbird and Wetlands Research, Verden (Aller), Germany
14. Arctic Research Station of Institute of Plant and Animal Ecology, Ural Branch of Russian Academy of Sciences, Yamal, Russia
15. Working Group for Wildlife Biology, Justus Liebig University Giessen, Giessen, Germany
16. Moscow, Russia
17. Parks and Wildlife, Metsähallitus, Rovaniemi, Finland
18. Department of Migration and Immuno-ecology, Max Planck Institute for Ornithology, Radolfzell, Germany
19. Department of Biological Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
20. Grimsö Wildlife Research Station, Swedish University of Agricultural Sciences, Riddarhyttan, Sweden
21. Arctic Research Centre, Aarhus University, Roskilde, Denmark
22. Chair for Landscape Management, University of Freiburg, Freiburg, Germany
23. Science Center for Arctic Studies, State Organization of Yamal-Nenets Autonomous District, Salekhard, Russia
24. Ester, AK, USA
25. The Icelandic Institute of Natural History, Garðabær, Iceland
26. Center for Tropical Research, Institute of the Environment and Sustainability, University of California Los Angeles, Los Angeles, CA, USA