1. School of Physics and Astronomy University of Leicester Leicester UK
2. Jet Propulsion Laboratory California Institute of Technology Pasadena CA USA
3. Goddard Institute for Space Studies New York NY USA
4. California Institute of Technology Pasadena CA USA
5. University of Houston Houston TX USA
6. Department of Earth and Planetary Sciences Weizmann Institute of Science Rehovot Israel
7. SETI Institute Mountain View CA USA
8. University of Michigan Ann Arbor MI USA
9. Universitié Côte d'Azur OCA Lagrange CNRS Nice France
10. Southwest Research Institute San Antonio TX USA