1. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA
2. Center for Space Plasma and Aeronomic Research, and the Department of Space Science, The University of Alabama at Huntsville, Huntsville, AL, USA
3. Department of Physics, ETH Zürich, Zürich, Switzerland
4. School of Science and Engineering, Doshisha University, Kyotanabe, Japan
5. Department of Solar System Sciences, Institute of Space and Astronautical Science (ISAS), Sagamihara, Kanagawa
6. Department of Astrophysical and Planetary Sciences and the Laboratory for Atmospheric and Space Physics, University of Colorado at Boulder, Boulder, CO, USA
7. Indian Institute of Geomagnetism, Navi Mumbai, India
8. NASA Goddard Space Flight Center, Greenbelt, MD, USA
9. Graduate School of Informatics and Engineering, The University of Electro-Communications, Tokyo, Japan
10. British Antarctic Survey, Cambridge CB3 OET, U.K.
11. Indian Institute of Technology Indore, Indore, India
12. Institute of Geophysics and Extraterrestrial Physics, Technische Universität Braunschweig, Braunschweig, Germany
13. Department of Electrical Engineering, University of Cape Town, Cape Town, South Africa
14. School of Astronomy and Space Science, Nanjing University, Nanjing, China
15. International Arctic Research Center, Fairbanks, AK, USA