Kohga, Atsushi
Yamamoto, Yusuke
Sugiura, Teiichi
Okamura, Yukiyasu
Ito, Takaaki
Ashida, Ryo
Aramaki, Takeshi
Sasaki, Keiko
Uesaka, Katsuhiko
Article History
Received: 31 October 2017
Accepted: 18 January 2018
First Online: 19 February 2018
Compliance with ethical standards
:
: We have no direct or indirect commercial or financial incentives associated with publishing this article.
: This retrospective study is for academic communication only and is not for other purposes. This paper does not disclose the personal information of any patients, and the subjects provided informed consent if indicated. The study protocol was approved by the institutional review board. The study does not include any animal experiments.