1. Institute of Space and Astronautical Science; Japan Aerospace Exploration Agency; Sagamihara Japan
2. Department of Earth and Planetary Science; University of Tokyo; Tokyo Japan
3. Department of Atmospheric and Oceanic Sciences; University of California; Los Angeles California USA
4. Department of Electrical and Computer Engineering and Center for Space Physics; Boston University; Boston Massachusetts USA
5. Department of Complexity Science and Engineering; University of Tokyo; Chiba Japan
6. Earth-Life Science Institute; Tokyo Institute of Technology; Tokyo Japan