Nawashiro, Hiroshi
Nishidate, Izumi
Kawauchi, Satoko
Article History
Received: 26 March 2026
Revised: 5 April 2026
Accepted: 15 May 2026
First Online: 3 June 2026
Competing interests
: The authors declare no competing interests.
: This study was conducted in accordance with the Ethical Guidelines for Medical and Health Research Involving Human Subjects in Japan and the principles of the Declaration of Helsinki. The study protocol was approved by the Institutional Review Board of Tokorozawa Central Hospital (approval date: January 12, 2021) and was registered in the University Hospital Medical Information Network (UMIN), Japan. Written informed consent was obtained from all participants and their families prior to participation.