1. German Aerospace Center (DLR); Berlin Germany
2. Jet Propulsion Laboratory; California Institute of Technology; Pasadena CA USA
3. Institut de Physique du Globe de Paris; Université Paris Diderot-Sorbonne Paris Cité; Paris France
4. National Astronomical Observatory of Japan; Oshu Japan
5. Technische Universität Berlin; Berlin Germany
6. NASA Marshall Space Flight Center; Huntsville AL USA