Matsukuma, Yuta
Masutani, Kosuke
Tanaka, Shigeru
Tsuchimoto, Akihiro
Fujisaki, Kiichiro
Torisu, Kumiko
Katafuchi, Ritsuko
Hirakata, Hideki
Tsuruya, Kazuhiko
Kitazono, Takanari
Article History
Received: 23 May 2016
Revised: 5 August 2016
Accepted: 19 August 2016
First Online: 13 October 2016
Competing interests
: The authors declare no conflict of interest.
Free to read: This content has been made available to all.