1. Space Sciences Laboratory University of California CA Berkeley USA
2. New York University NY New York USA
3. New York University Abu Dhabi Abu Dhabi UAE
4. University of Bern Bern Switzerland
5. KTH Royal Institute of Technology Stockholm Sweden
6. NASA Goddard Space Flight Center MD Greenbelt USA
7. University of Virginia VA Charlottesville USA
8. University of Oxford Oxford England
9. Open University Milton Keynes England
10. Johns Hopkins University Applied Physics Laboratory MD Laurel USA
11. Jet Propulsion Laboratory, California Institute of Technology CA Pasadena USA