Hyun-Jong Seo(Department of Physics and Astronomy, Seoul National University)
Toshio Matsumoto(Department of Physics and Astronomy, Seoul National University/Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency)
Takehiko Wada(Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency)
Shinki Oyabu(Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency)
Hyung-Mok Lee(Department of Physics and Astronomy, Seoul National University)