1. Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Frederiksberg, Denmark;
2. Department of Bioscience, Faculty of Science and Technology, Arctic Research Centre (ARC), Aarhus University, Roskilde, Denmark;
3. Department of Environment and Mineral Resources, Greenland Institute of Natural Resources, Nuuk, Greenland;
4. Department of Environmental Science, Faculty of Science and Technology, Aarhus University, Roskilde, Denmark;
5. Institute for Marine and Antarctic Studies, University of Tasmania, Newnham, Australia