1. Jet Propulsion Laboratory; California Institute of Technology; Pasadena California USA
2. Southwest Research Institute; San Antonio Texas USA
3. DTU Space, National Space Institute; Technical University of Denmark; Kgs. Lyngby Denmark
4. INAF; Istituto di Astrofisica e Planetologia Spaziali; Rome Italy
5. Space Research Corporation; Annapolis Maryland USA
6. NASA Goddard Space Flight Center; Greenbelt Maryland USA
7. Department of Atmospheric and Oceanic Sciences; University of California; Los Angeles California USA