1. Permafrost Laboratory, Department of Geography; University of Sussex; Brighton UK
2. Adam Mickiewicz University; Faculty of Physics; Poznan Poland
3. Poznan Radiocarbon Laboratory; Poznań Science and Technology Park; Poznan Poland
4. School of Geography; University of Southampton; Southampton UK
5. Alaska Quaternary Center, College of Natural Science and Mathematics; University of Alaska-Fairbanks; Fairbanks AK USA
6. Department of Geography; University of Sheffield; Sheffield UK
7. Science Research Institute of Applied Ecology of the North of North-East Federal University; Yakutsk Russia
8. Institute of Physicochemical and Biological Problems in Soil Sciences; Russian Academy of Sciences; Moscow Russia
9. GEOTOP-UQAM-McGILL; Université du Québec à Montréal; Montreal QC Canada
10. School of Biological Sciences; Murdoch University; Murdoch WA Australia
11. Centre for Geogenetics, Natural History Museum of Denmark; University of Copenhagen; Copenhagen Denmark
12. Institute of Northern Engineering; University of Alaska Fairbanks; Fairbanks AK USA
13. North East Interdisciplinary Science Research Institute; Far East Branch Russian Academy of Sciences; Magadan Russia
14. Institute of the Earth Cryosphere, Siberian Branch; Russian Academy of Sciences; Tyumen Russia
15. Department of Geography; University of Cambridge; Cambridge UK
16. Zoological Institute; Russian Academy of Sciences; Universitetskaya nab.1 Saint-Petersburg Russia
17. Faculty of Geography; Lomonosov Moscow State University; Moscow Russia
18. Faculty of Geology; Lomonosov Moscow State University; Moscow Russia
19. Geological Survey of Canada; Natural Resources Canada; Ottawa ON Canada