Yokoyama, Katsuya
Ukai, Taku
Watanabe, Masahiko
Article History
Received: 13 September 2021
Accepted: 24 November 2021
First Online: 8 December 2021
Declarations
:
: This study was approved by the ethics committee of the authors’ institution (approval no.: 21R-042). The authors state that this study conforms with the ethical standards laid down in the most recent version of the Declaration of Helsinki. All patients were informed about the study and consented to participate.
: Not applicable.
: The authors declare that there is no conflict interest.