Wada, Takeshi
Yokota, Hajime http://orcid.org/0000-0003-2389-0299
Horikoshi, Takuro
Starkey, Jay
Hattori, Shinya
Hashiba, Jun
Uno, Takashi
Article History
Received: 2 July 2019
Accepted: 30 November 2019
First Online: 9 December 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the local ethics review board and informed consent was waived due to the retrospective nature of this study.