Ethics approval and consent to participate
The trial was approved by independent Ethics Committees at Asahi University Hospital (approval no.: 2020–04-05; September 9, 2020) and the School of Health Sciences, Seirei Christopher University (approval no.: 21044.2021–11-26; November 26, 2021). All participants were volunteers, and the details of the study were disclosed prior to their participation. Written informed consent to participate was obtained from all participants before enrolment in the study. The study adheres with the principles stated in the Declaration of Helsinki.