Fukada, Masahiro
Matsuhashi, Nobuhisa
Takahashi, Takao
Imai, Hisashi
Tanaka, Yoshihiro
Yamaguchi, Kazuya
Yoshida, Kazuhiro
Article History
Received: 22 July 2019
Accepted: 30 September 2019
First Online: 2 November 2019
Ethics approval and consent to participate
: The present study was conducted in accordance with the World Medical Association Declaration of Helsinki and was approved by the Ethics Committee of Gifu University (approval number ‘2018-192’). As this study was a retrospective study and did not include any potentially identifiable patient data, informed consent was not obtained from the enrolled patients. The institutional review board gave the ethics approval for this retrospective study.
: Not applicable.
: The authors declare that they have no competing interests.