1. Department of Geology & Geophysics, University of Utah, Salt Lake City, Utah.
2. Department of Geosciences, University of Montana, Missoula, Montana.
3. Geology Department, Southern Illinois University, Carbondale, Illinois.
4. Department of Electrical and Computer Engineering, Baylor University, Waco, Texas.
5. Earth-Life Science Institute, Tokyo Institute of Technology, Tokyo, Japan.
6. Electronics and Computer Science, Institute for Life Sciences, University of Southampton, Southampton, United Kingdom.
7. Department of Earth Science, University of California, Santa Barbara, Santa Barbara, California.
8. NASA Astrobiology Institute, NASA Ames Research Center, Moffett Field, California.
9. Department of Astronomy, University of Maryland College Park (CRESST), College Park, Maryland.
10. NASA Goddard Space Flight Center, Greenbelt, Maryland.
11. Exobiology Branch, NASA Ames Research Center, Moffett Field, Californnia.
12. School of Earth and Space Exploration, Arizona State University, Tempe, Arizona.
13. Research School of Earth Sciences, The Australian National University, Canberra, Australia.
14. Geophysical Laboratory, Carnegie Institution for Science, Washington, District of Columbia.
15. Department of Earth and Planetary Sciences, McGill University, Montreal, Canada.
16. Geosciences Department, John Abbott College, Sainte-Anne-de-Bellevue, Canada.
17. London Centre for Nanotechnology, University College London, London, United Kingdom.
18. Department of Earth Sciences, University College London, London, United Kingdom.
19. Centre for Planetary Sciences, University College London, London, United Kingdom.
20. BioGeology and Environmental Geology State Key Laboratory, School of Earth Sciences, China University of Geosciences, Wuhan, China.
21. Department of Geological Sciences, University of Colorado Boulder, Boulder, Colorado.
22. Earth Sciences Department, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.
23. Department of Civil and Environmental Engineering, Colorado School of Mines, Golden, Colorado.
24. School of Earth and Environmental Sciences, The University of Queensland, St. Lucia, Queensland, Australia.
25. Program in Interdisciplinary Studies, Institute for Advanced Study, Princeton, New Jersey.