1. Faculty of Life and Environmental Sciences, University of Iceland , Reykjavik , Iceland
2. Department of Natural History, NTNU University Museum, Norwegian University of Science and Technology (NTNU) , Trondheim , Norway
3. Section for EvoGenomics, The Globe Institute, Faculty of Health and Medical Sciences, University of Copenhagen , Copenhagen , Denmark
4. Natural History Museum, University of Oslo , Oslo , Norway
5. West-Iceland Nature Research Centre , Stykkisholmur , Iceland
6. Icelandic Institute of Natural History , Garðabær , Iceland
7. Department of Birds and Mammals, Greenland Institute of Natural Resources , Nuuk , Greenland
8. Chair of Clinical Veterinary Medicine, Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences , Tartu , Estonia
9. Natural History Museum of Denmark, University of Copenhagen , Copenhagen , Denmark
10. Department of Bioscience, Aarhus University , Roskilde , Denmark