1. CAS Key Lab of Geospace Environment School of Earth and Space Sciences University of Science and Technology of China Hefei China
2. CAS Center for Excellence in Comparative Planetology Hefei China
3. Department of Physics and Astronomy Dartmouth College Hanover NH USA
4. MNR Key Laboratory for Polar Science Polar Research Institute of China Shanghai China
5. NASA Ames Research Center Moffett Field CA USA
6. Department of Space and Plasma Physics School of Electrical Engineering and Computer Science KTH Royal Institute of Technology Stockholm Sweden