1. Institute for Space‐Earth Environmental Research Nagoya University Nagoya Japan
2. Department of Atmospheric and Oceanic Sciences University of California Los Angeles California USA
3. Department of Earth and Space Sciences University of California Los Angeles California USA
4. Department of Earth and Planetary Sciences Tokyo Institute of Technology Tokyo Japan
5. Space Sciences Laboratory University of California Berkeley California USA
6. Heliophysics Science Division NASA Goddard Space Flight Center Greenbelt Maryland USA
7. Department of Atmospheric, Oceanic and Space Sciences University of Michigan Ann Arbor Michigan USA
8. Department of Physics University of Oulu Oulu Finland
9. Graduate School of Science Kyoto University Kyoto Japan