1. Institute for Space‐Earth Environmental Research Nagoya University Nagoya Japan
2. Now at The Johns Hopkins University Applied Physics Laboratory Laurel Maryland USA
3. Research Institute for Sustainable Humanosphere Kyoto University Kyoto Japan
4. National Institute of Polar Research Tokyo Japan
5. Department of Polar Science, School of Multidisciplinary Sciences SOKENDAI (The Graduate University for Advanced Studies) Tokyo Japan
6. Department of Physics Augsburg College Minneapolis Minnesota USA
7. Space Science Center University of New Hampshire Durham New Hampshire USA
8. School of Science and Engineering Merrimack College North Andover Massachusetts USA
9. Center for Solar‐Terrestrial Research New Jersey Institute of Technology Newark New Jersey USA