1. Key Laboratory of Earth and Planetary Physics, Institute of Geology and GeophysicsChinese Academy of Sciences Beijing China
2. CAS Key Laboratory of Geospace EnvironmentUniversity of Science and Technology of China, Chinese Academy of Sciences Hefei China
3. Max‐Planck‐Institute for Solar System Research Goettingen Germany
4. Space Research InstituteAustrian Academy of Sciences Graz Austria
5. Swedish Institute of Space Physics Kiruna Sweden