1. Aix Marseille Université, CNRS, LAM (Laboratoire d'Astrophysique de Marseille) UMR 7326, Marseille, France.
2. Université de Franche-Comté, Institut UTINAM, CNRS/INSU, UMR 6213, Observatoire des Sciences de l'Univers THETA, BP 1615, Besançon, France.
3. Université Paris-Sud, Laboratoire GEOPS, CNRS, UMR 8148, Orsay, France.
4. Department of Geological Sciences, Geochemistry Section, Stockholm University, Stockholm, Sweden.
5. Department of Physics and Astronomy, University of Texas at San Antonio, Texas, USA.
6. Space Science and Engineering Division, Southwest Research Institute, San Antonio, Texas, USA.
7. Department of Physics, AlbaNova University Center, Stockholm University, Stockholm, Sweden.
8. Department of Earth and Planetary Sciences, Kobe University, Kobe, Japan.
9. Département Géosciences Marines, IFREMER-Centre de Brest, Plouzané, France.