1. Jet Propulsion Laboratory; California Institute of Technology; Pasadena California USA
2. NASA Johnson Space Center; Houston Texas USA
3. Department of Geosciences; State University of New York at Stony Brook; Stony Brook New York USA
4. Department of Physics; University of Guelph; Guelph Ontario Canada
5. Department of Astronomy; Cornell University; Ithaca New York USA
6. Department of Earth and Planetary Sciences; University of Tennessee; Knoxville Tennessee USA
7. National Museum of Natural History; Smithsonian Institution; Washington, D.C. USA
8. Enrico Fermi Institute; University of Chicago; Chicago Illinois USA
9. Niels Bohr Institute; University of Copenhagen; Copenhagen Denmark
10. Department of Physics; University of Alabama at Birmingham; Birmingham Alabama USA
11. Lockheed Martin Corporation; Littleton Colorado USA
12. Department of Earth and Planetary Sciences; Washington University; St. Louis Missouri USA
13. Johannes Gutenberg University; Mainz Germany
14. Max Planck Institut für Chemie; Mainz Germany
15. Forschungsinstitut und Naturmuseum Senckenberg; Frankfurt Germany