1. Space Science and Engineering Center, University of Wisconsin–Madison, Madison, Wisconsin, USA.
2. Chemistry and Biochemistry Department, Cal Poly Pomona, Pomona, California, USA.
3. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, USA.
4. Science and Technology Corp., Hampton, Virginia, USA.
5. School of Physics and Astronomy, University of Edinburgh, Edinburgh, Scotland.
6. NASA Ames Research Center, Moffett Field, California, USA.
7. Planetary Science Institute, Washington, District of Columbia, USA.
8. Department of Earth, Environmental and Planetary Sciences, Brown University, Providence, Rhode Island, USA.
9. Southwest Research Institute, Boulder, Colorado, USA.
10. Institute for Complex Analysis of Regional Problems, Russian Academy of Sciences, Birobidzhan, Russia.
11. Zentrum für Astronomie und Astrophysik, Technical University of Berlin, Berlin, Germany.
12. Chemistry Department and Space Sciences Lab, University of California, Berkeley, Berkeley, California, USA.
13. Department of Biophysical Chemistry, University of Vienna, Vienna, Austria.
14. School of Health Sciences, Tokyo University of Technology, Hachioji, Japan.
15. Center for Astronomy and Astrophysics (ZAA), Technische Universität Berlin, Berlin, Germany.
16. German Research Centre for Geosciences (GFZ), Potsdam, Germany.
17. Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB), Stechlin, Germany.
18. NASA Goddard Institute for Space Studies, New York, New York, USA.