Kikuhara, Kenji http://orcid.org/0000-0003-1644-2703
Iiyama, Kazuhiro
Matsumoto, Masaru
Furuya, Naruto
Article History
Received: 25 April 2018
Accepted: 23 July 2018
First Online: 21 September 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.