Baba, Akira
Matsushima, Satoshi
Toyoda, Keiko
Yamauchi, Hideomi
Ikeda, Koshi
Sugimoto, Koichiro
Ojiri, Hiroya
Article History
Received: 12 December 2019
Accepted: 30 March 2020
First Online: 6 April 2020
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.