Hirai, Ai
Takeuchi, Toshihisa http://orcid.org/0000-0002-1233-0977
Takahashi, Yoshiaki
Kawaguchi, Shinpei
Ota, Kazuhiro
Harada, Satoshi
Kojima, Yuichi
Tominaga, Kazunari
Tokioka, Satoshi
Higuchi, Kazuhide
Article History
Received: 29 November 2017
Accepted: 23 January 2018
First Online: 21 February 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interests.