Kim, Jeong-Hwan
Eguchi, Haruki
Umemura, Masanari
Sato, Itaru
Yamada, Shigeki
Hoshino, Yujiro
Masuda, Takatsugu
Aoki, Ichio
Sakurai, Kazuo
Yamamoto, Masahiro
Ishikawa, Yoshihiro
Article History
Received: 24 August 2016
Revised: 21 November 2016
Accepted: 28 December 2016
First Online: 31 March 2017
Competing interests
: The authors declare no conflict of interest.