1. Department of Biology; University of Florida; Gainesville FL USA
2. Center for Permafrost (CENPERM); Department of Geosciences and Natural Resource Management; University of Copenhagen; Copenhagen Denmark
3. The University Centre in Svalbard, UNIS; Longyearbyen Norway
4. Institute of Soil Science; Klima Campus; University of Hamburg; Hamburg Germany
5. Climate and Global Dynamics Division; National Center for Atmospheric Research; Boulder CO USA
6. Department of Microbiology and Plant Biology; University of Oklahoma; Norman OK USA
7. The Ecosystem Center; Marine Biological Laboratory; Woods Hole MA USA
8. Department of Integrative Biology; University of Guelph; Guelph ON Canada