1. Astrobiology Group, ZAA, Technical University Berlin, Berlin, Germany.
2. Section Geomicrobiology, GFZ German Research Center for Geosciences, Potsdam, Germany.
3. Department of Experimental Limnology, Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB), Stechlin, Germany.
4. School of the Environment, Washington State University, Pullman, Washington, USA.
5. Department of Biological Sciences, University of Texas at El Paso, El Paso, Texas, USA.
6. Oasis Systems, LLC, San Antonio, Texas, USA.