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Hirotsugu Nishido
Department of Biosphere-Geosphere Science, Okayama University of Science, 1-1 Ridaicho, Kita-ku, Okayama, Okayama, 700-0005, Japan
Taro Endo
Department of Biosphere-Geosphere Science, Okayama University of Science, 1-1 Ridaicho, Kita-ku, Okayama, Okayama, 700-0005, Japan
Kiyotaka Ninagawa
Department of Applied Physics, Okayama University of Science, 1-1 Ridaicho, Kita-ku, Okayama, Okayama, 700-0005, Japan
Masahiro Kayama
Department of Earth and Planetary Systems Science, Graduate School of Science, Hiroshima University, 1-3-1 Kagami-yama, Higashi-Hiroshima, Hiroshima, 739-8526, Japan
Arnold Gucsik
Department of Earth and Planetary Science, Graduate School of Science, Tohoku University, 6-3 Aoba, Aramaki, Aoba, Sendai, 980-8578, Japan