1. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, USA.
2. California Specialty Engineering, Pasadena, California, USA.
3. Centre National de la Recherche Scientifique (CNRS), Orléans, France.
4. Aix Marseille Université, CNRS, CNES, LAM, Marseille, France.
5. University of Oxford, Oxford, UK.
6. Space Science and Engineering Center, University of Wisconsin-Madison, Wisconsin, USA.
7. Centre National d'Études Spatiales (CNES), Toulouse, France.