1. Space Sciences Laboratory University of California Berkeley CA USA
2. Physics Department University of California Berkeley CA USA
3. Department of Astrophysical Sciences Princeton University Princeton NJ USA
4. Smithsonian Astrophysical Observatory Cambridge MA USA
5. Laboratory for Atmospheric and Space Physics University of Colorado Boulder CO USA
6. School of Physics and Astronomy Queen Mary University of London London UK
7. LPC2E, CNRS and University of Orléans Orléans France
8. School of Physics and Astronomy University of Minnesota Minneapolis MN USA
9. Planetary Magnetospheres Laboratory NASA Goddard Space Flight Center Greenbelt MD USA
10. Department of Physics and Astronomy University of Iowa Iowa City IA USA
11. Climate and Space Sciences and Engineering University of Michigan Ann Arbor MI USA
12. Astrophysical and Planetary Sciences Department University of Colorado Boulder CO USA
13. Johns Hopkins University Applied Physics Laboratory Laurel MD USA