1. Institute of Space Weather Nanjing University of Information Science and Technology Nanjing China
2. Institute for the Study of Earth, Oceans, and Space University of New Hampshire Durham NH USA
3. Department of Physics University of New Hampshire Durham NH USA
4. College Brook Scientific Durham NH USA
5. Department of Earth and Planetary Science, Graduate School of Science The University of Tokyo Tokyo Japan
6. Institute of Geophysics and Planetary Physics University of California Los Angeles CA USA