1. Graduate School of Science Tohoku University Sendai Japan
2. LATMOS/CNRS Sorbonne Université Paris France
3. Space Environment Laboratory National Institute of Information and Communications Technology (NICT) Koganei Japan
4. Tohoku Institute of Technology Sendai Japan
5. International Center for Space Weather Science and Education Kyusyu University Fukuoka Japan
6. Department of Earth and Planetary Science Kyushu University Fukuoka Japan
7. The Johns Hopkins University Applied Physics Laboratory Laurel MD USA
8. Institute of Space and Astronautical Science Japan Aerospace Exploration Agency Sagamihara Japan
9. The University of Tokyo Kashiwa Japan
10. Tokyo University of Science Tokyo Japan