1. NASA Johnson Space Center; Houston Texas USA
2. Jacobs Sverdrup; ESCG; Houston Texas USA
3. Institut für Inorganische und Analytische Chemie; Johannes Gutenberg-Universität; Mainz Germany
4. Max-Planck-Institut für Chemie; Mainz Germany
5. University of Guelph; Guelph Canada
6. Jet Propulsion Laboratory; California Institute of Technology; Pasadena California USA
7. Lockheed Martin Corporation; Littleton Colorado USA
8. Department of Astronomy; Cornell University; Ithaca New York USA
9. Space Science Institute; Boulder Colorado USA
10. Department of Geological Sciences; Arizona State University; Tempe Arizona USA
11. Department of Earth and Planetary Sciences; Washington University; St. Louis Missouri USA
12. Department of Earth and Planetary Sciences; University of Tennessee; Knoxville Tennessee USA
13. Space Research Institute IKI; Moscow Russia
14. CVRD Group; Vitoria Brazil