Tamura, Koichi
Matsuda, Kenji
Yokoyama, Shozo
Iwamoto, Hiromitsu
Mizumoto, Yuki
Murakami, Daisuke
Nakamura, Yuki
Yamaue, Hiroki http://orcid.org/0000-0002-6982-3457
Article History
Accepted: 25 April 2019
First Online: 4 May 2019
Compliance with ethical standards
:
: For this retrospective study, the authors receive ethics committee approval of Wakayama Medical University following Ethical Guidelines for Medical and Health Research Involving Human Subjects.
: The authors declare that they have no conflicts of interest.