1. Department of Ecology and Genetics, Evolutionary Biology Centre, Uppsala University, Norbyvägen 18D, 75236 Uppsala, Sweden.
2. Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5-7, DK-1350 Copenhagen, Denmark.
3. Norwegian Forest and Landscape Institute, Høgskoleveien 8, 1430 Ås, Norway.
4. Tromsø University Museum, NO-9037 Tromsø, Norway.
5. Department of Palynology and Climate Dynamics, University of Göttingen, Untere Karspüle 2, 37073 Göttingen, Germany.
6. Department of Geology, University of Helsinki, Post Office Box 64, FI-00014, Finland.
7. Department of Earth Sciences, Uppsala University, Villavägen 16, 75236 Uppsala, Sweden.
8. School of Geography, Archaeology and Palaeoecology, Queen’s University Belfast, University Road, Belfast BT7 1NN, Northern Ireland.
9. Ancient DNA Research Laboratory, Murdoch University, South Street, Perth 6150, Australia.
10. Molecular Biology Center, Interdisciplinary Research Institute on Bio-Nano-Sciences, Babes-Bolyai-University Cluj Napoca, 42 Treboniu Laurian Street, RO-400271 Cluj-Napoca, Romania.
11. Graduate School of Agricultural Science, Tohoku University, 232-3 Yomogida, Naruko-onsen, Osaki, Miyagi 989-6711, Japan.
12. Geography and Environment, University of Southampton, Highfield, Southampton SO17 1BJ, UK.
13. The Danish National High-Throughput DNA Sequencing Facility, Øster Farimagsgade 2D entrance E, 2nd floor, DK-1353 Copenhagen, Denmark.
14. National Centre for Biosystematics, Natural History Museum, University of Oslo, Post Office Box 1172 Blindern, NO-0318 Oslo, Norway.
15. Laboratoire d’Ecologie Alpine, CNRS UMR 5553, Universite de Grenoble, BP 53, F-38041 Grenoble Cedex 9, France.
16. Department of Geoscience, Aarhus University, Høegh-Guldbergs Gade 2, DK-8000 Aarhus C, Denmark.