Nakamura, Masahiro
Igari, Kimihiro http://orcid.org/0000-0002-2273-4174
Toyofuku, Takahiro
Kudo, Toshifumi
Inoue, Yoshinori
Uetake, Hiroyuki
Article History
Received: 7 July 2017
Accepted: 13 November 2017
First Online: 23 November 2017
Competing Interests
: The authors declare that they have no competing interests.