1. CAS Key Laboratory of Geospace Environment, Department of Geophysics and Planetary Sciences University of Science and Technology of China Hefei China
2. Collaborative Innovation Center of Astronautical Science and Technology Hefei China
3. Department of Atmospheric and Oceanic Sciences University of California Los Angeles California USA
4. Center for Space Physics Boston University Boston Massachusetts USA
5. Department of Space Physics, School of Electronic Information Wuhan University Wuhan China
6. Air Force Research Laboratory, Space Vehicles Directorate Kirtland Air Force Base Albuquerque New Mexico USA
7. Department of Physics and Astronomy Rice University Houston Texas USA