1. School of Earth and Space Sciences Peking University Beijing China
2. Department of Earth and Space Science Southern University of Science and Technology Shenzhen China
3. University of California, Los Angeles Los Angeles CA USA
4. Laboratory of Atmospheric and Space Physics University of Colorado Boulder CO USA
5. Department of Astrophysical and Planetary Sciences University of Colorado Boulder CO USA
6. Southwest Research Institute San Antonio TX USA
7. Space Science Applications Laboratory The Aerospace Corporation El Segundo CA USA
8. University of New Hampshire Durham NH USA
9. Royal Institute of Technology Stockholm Sweden