Funding for this research was provided by:
the Ministry of Health, Labor and Welfare, Japan (21AA2007, 22AA2003)
Consejería de Educación, Universidades, Cultura y Deportes, Gobierno de Canarias (20H03907)
Received: 15 December 2022
Accepted: 24 January 2023
First Online: 13 February 2023
: This study was approved by the Institutional Review Board of the University of Tokyo [approval number: 3501-(5); May 19, 2021] and the procedures were followed in accordance with the ethical standards of the responsible committee on human experimentation and with the Helsinki Declaration of 1975. The requirement for informed consent was waived because of the anonymity of the data.
: Not applicable.
: The authors declare that they have no competing interests.