Shirakashi, Zen
Goto, Taichi http://orcid.org/0000-0002-0621-8196
Takagi, Hiroyuki
Nakamura, Yuichi
Lim, Pang Boey
Uchida, Hironaga
Inoue, Mitsuteru
Article History
Received: 4 July 2017
Accepted: 8 September 2017
First Online: 9 October 2017
Competing Interests
: The authors declare that they have no competing interests.