1. Institute of Space Physics and Applied TechnologyPeking University Beijing China
2. Department of Atmospheric and Oceanic SciencesUniversity of California Los Angeles California USA
3. Department of Space Physics, School of Electronic InformationWuhan University Wuhan China
4. W. B. Hanson Center for Space Sciences, Department of PhysicsUniversity of Texas at Dallas Richardson Texas USA
5. Laboratory for Atmospheric and Space PhysicsUniversity of Colorado Boulder Boulder Colorado USA
6. Department of Physics and AstronomyUniversity of Iowa Iowa City Iowa USA
7. Space Science Applications LaboratoryThe Aerospace Corporation El Segundo California USA
8. Space Science and Applications GroupLos Alamos National Laboratory Los Alamos New Mexico USA
9. Each Institute for the Study of Earth, Oceans, and SpaceUniversity of New Hampshire Durham New Hampshire USA
10. Los Alamos National Laboratory Los Alamos New Mexico USA
11. Department of Mathematics and StatisticsMemorial University of Newfoundland St. John's Newfoundland Canada