Received: 5 June 2022
Accepted: 12 August 2022
First Online: 25 August 2022
: The study procedure was conducted in accordance with guidelines approved by the institutional review board of the University of Tokyo Hospital (approval no. 10335) and the Declaration of Helsinki. Written informed consent was obtained from all participants and their parents before participating in this study.
: Not applicable.
: The authors declare that they have no competing interests.