Hayasaka, Itaru
Cho, Kazutoshi
Akimoto, Takuma
Ikeda, Masahiko
Uzuki, Yutaka
Yamada, Masafumi
Nakata, Koh
Furuta, Itsuko
Ariga, Tadashi
Minakami, Hisanori
Article History
Received: 19 November 2016
Accepted: 2 September 2017
First Online: 1 November 2017
Competing interests
: The authors declare no conflict of interest.