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Chonan, Kenichi; Kikuya, Masahiro; Araki, Tsutomu; Fujiwara, Tohru; Suzuki, Michiko; Michimata, Mari; Hashimoto, Junichiro; Ohkubo, Takayoshi; Hozawa, Atsushi; Yamamoto, Norihito; Miyawaki, Yoshinori; Matsubara, Mitsunobu; Imai, Yutaka Author Information
Chonan et al. (Wed,) studied this question.