Yamada, Shunsuke
Tokumoto, Masanori
Taniguchi, Masatomo
Yoshida, Hisako
Arase, Hokuto
Tatsumoto, Narihito
Hirakata, Hideki
Kitazono, Takanari
Tsuruya, Kazuhiko
Article History
Received: 20 November 2017
Accepted: 13 July 2018
First Online: 30 July 2018
Competing Interests
: The authors declare no competing interests.