1. School of Physics and Astronomy University of Leicester Leicester UK
2. Space Sciences Laboratory University of California Berkeley CA USA
3. Istituto di Astrofisica e Planetologia Spaziali Istituto Nazionale di Astrofisica Rome Italy
4. Istituto di Radioastronomia Istituto Nazionale di Astrofisica Bologna Italy
5. Planetary Science Institute Lakewood CO USA
6. Center for Earth and Planetary Studies Smithsonian Institution Washington DC USA
7. Institut de Recherche en Astrophysique et Planétologie Toulouse France
8. Umeå University Umea Sweden
9. European Space Agency (ESA) European Space Research and Technology Centre (ESTEC) Noordwijk The Netherlands
10. Valquer Laboratorios Villaminaya Spain