Ota, Koshi
Fukui, Keisuke
Oba, Koji
Shimoda, Akihiro
Oka, Masahiro
Ota, Kanna
Sakaue, Masahide
Takasu, Akira
Article History
Received: 9 January 2019
Accepted: 18 February 2019
First Online: 7 March 2019
Compliance with ethical standards
:
: The authors have no conflicts of interest relevant to the content of this article.
: Given the anonymous nature of the data, informed consent was not required for this study.