Higuchi, Ryosuke
Yokoyama, Hiroaki
Hagiya, Kenichi
Takamisawa, Itaru
Tobaru, Tetsuya
Article History
Received: 16 October 2018
Accepted: 27 November 2018
First Online: 30 November 2018
Compliance with ethical standards
:
: The authors have no potential conflicts of interest relevant to this article.