Aono, Hiroyuki
Takenaka, Shota
Okuda, Akinori
Kikuchi, Takeshi
Takeshita, Hiroshi
Nagata, Keiji
Ito, Yasuo
Article History
Received: 20 September 2022
Accepted: 9 November 2022
First Online: 24 November 2022
Ethics approval and consent to participate
: This study was approved by the ethics committee (National Hospital Organization, Osaka National Hospital Institutional Review Board II). The requirement for informed consent was waived because of its retrospective and observational study, and it is approved by institutional review boards (National Hospital Organization, Osaka National Hospital Institutional Review Board II, No 19077). All methods were carried out in accordance with national guidelines and regulations.
: Not applicable.
: The authors declare no competing interests.