1. UK Centre for Astrobiology, Scottish Universities Physics Alliance, School of Physics and Astronomy, The University of Edinburgh, Edinburgh, UK.
2. Eberhard Karls Universitaet Tuebingen, Center for Applied Geoscience (ZAG), Geomicrobiology, Tuebingen, Germany.
3. Centre for Exoplanet Science, SUPA, School of Physics and Astronomy, University of St Andrews, St Andrews, UK.
4. Division of Microbial Ecology, Department of Microbiology and Ecosystem Science, Research Network “Chemistry Meets Microbiology”, University of Vienna, Vienna, Austria.
5. Geomicrobiology Research Group, School of Earth, Atmospheric and Environmental Sciences, University of Manchester, Manchester, UK.
6. Institute of Evolutionary Biology, School of Biological Sciences, University of Edinburgh, Edinburgh, UK.