1. Water and Environmental Research Center University of Alaska Fairbanks Fairbanks AK USA
2. Department of Geography and Planning Queen's University Kingston Ontario Canada
3. GFZ German Research Centre for Geosciences, Section 3.7 Geomicrobiology, Helmholtz Centre Potsdam Postdam Germany
4. National High Magnetic Field Laboratory Geochemistry Group and Department of Earth, Ocean, and Atmospheric Science Florida State University Tallahassee FL USA
5. Pontchartrain Institute for Environmental Sciences, Department of Chemistry University of New Orleans New Orleans LA USA
6. Geophysical Institute University of Alaska Fairbanks Fairbanks AK USA
7. School of Natural Resources and Extension University of Alaska Fairbanks Fairbanks AK USA
8. University of Potsdam, Institute of Biochemistry and Biology Potsdam Germany