Yamada, Takeshi http://orcid.org/0000-0002-6490-758X
Takahashi, Akihiko
Mizuguchi, Yukio
Hashimoto, Sho
Taniguchi, Norimasa
Nakajima, Shunsuke
Hata, Tetsuya
Article History
Received: 5 September 2017
Accepted: 3 April 2018
First Online: 7 May 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: For this type of study, formal consent is not required.