Machida, Shinji
Shibagaki, Yugo
Sakurada, Tsutomu
Article History
Received: 24 June 2018
Accepted: 8 October 2018
First Online: 19 October 2018
Compliance with ethical standards
:
: The authors have no conflicts of interest regarding this study.
: Our study protocol was approved by the Ethics Committee of St. Marianna Medical University Hospital (approval no. 3923), with the need for informed consent waived due to the retrospective nature of the study.