1. Institute of Geophysics, ETH Zurich, Zurich, Switzerland
2. Swiss Seismological Service, ETH Zurich, Zurich, Switzerland
3. Department of Electrical and Electronic Engineering, Imperial College London, London, United Kingdom
4. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, U.S.A.
5. Université de Paris, Institut de physique du globe de Paris, CNRS, Paris, France
6. Institut Universitaire de France, Paris, France
7. Institut Supérieur de l’Aéronautique et de l’Espace SUPAERO, Toulouse, France
8. School of Earth Sciences, University of Bristol, Bristol, United Kingdom
9. Geosciences Barcelona, (GEO3BCN - CSIC), Barcelona, Spain
10. Max Planck Institute for Solar System Research, Göttingen, Germany