1. CAS Key Lab of Geospace Environment School of Earth and Space Sciences University of Science and Technology of China Hefei Anhui China
2. CAS Center for Excellence in Comparative Planetology Hefei Anhui China
3. Department of Earth, Planetary, and Space Sciences University of California Los Angeles CA USA
4. Department of Physics and Astronomy University of California Los Angeles CA USA
5. Space Research Institute RAS Moscow Russia
6. Department of Astrophysical Sciences Princeton University Princeton NJ USA
7. Department of Atmospheric and Oceanic Sciences University of California Los Angeles CA USA