1. Istituto di Astrofisica e Planetologia Spaziali Istituto Nazionale di Astrofisica Rome Italy
2. Science and Operations Department, Directorate of Science European Space Research and Technology Centre, European Space Agency Noordwijk Netherlands
3. Space Magnetism Area, Payloads & Space Sciences Department Instituto Nacional de Técnica Aeroespacial Torrejón de Ardoz Spain
4. School of Physical Sciences The Open University Milton Keynes UK
5. Lunar and Planetary Laboratory University of Arizona Tucson AZ USA