1. The Arctic University Museum of Norway, UiT The Arctic University of Norway, Tromsø, Norway.
2. Department of Arctic and Marine Biology, UiT The Arctic University of Norway, Tromsø, Norway.
3. Faculty of Physics, Adam Mickiewicz University, Poznań, Poland.
4. Poznań Park of Science and Technology, Poznań, Poland.
5. Department of Geosciences and Geography, University of Helsinki, Helsinki, Finland.
6. Swedish Museum of Natural History, P.O. Box 50007, 10405 Stockholm, Sweden.
7. Värriö Research Station, Institute for Atmospheric and Earth System Research INAR/Physics, University of Helsinki, P.O. Box 64, 00014 Helsinki, Finland.
8. Department of Earth Science, University of Bergen, Bergen, Norway.
9. School of Geography and Environmental Science, University of Southampton, Southampton, UK.
10. Alaska Quaternary Center, University of Alaska, Fairbanks, AK 99775, USA.