1. Laboratory for Planetary and Atmospheric Physics Space Science, Technologies and Astrophysical Research Institute University of Liège Liège Belgium
2. Key Laboratory of Earth and Planetary Physics Institute of Geology and Geophysics Chinese Academy of Sciences Beijing China
3. Southwest Research Institute San Antonio TX USA
4. National Institute of Information and Communications Technology Tokyo Japan
5. Center for Space Physics Boston University Boston MA USA
6. Institute for Space Astrophysics and Planetology National Institute for Astrophysics Rome Italy
7. Applied Physics Laboratory Johns Hopkins University Laurel MD USA
8. Department of Physics and Astronomy University of Iowa Iowa City IA USA