Takahei, Yuuki
Tomita, Keitaro
Itoh, Yugo
Ashida, Keishi
Lee, Ji-Hyun
Nishimoto, Naoki
Kimura, Takumi
Kudo, Kazutaka
Nohara, Minoru
Kubozono, Yoshihiro
Kambe, Takashi
Article History
Received: 12 August 2015
Accepted: 30 November 2015
First Online: 6 January 2016
Competing interests
: The authors declare no competing financial interests.