Received: 16 November 2020
Accepted: 20 April 2022
First Online: 13 May 2022
: We performed this study following the Declaration of Helsinki (1975, revised in 2008). The Ethics Committee at Osaka University Hospital approved the study protocol. All study participants provided written comprehensive informed consent. For observational studies using only anonymized medical data at the initial consultation, we provided opt-out statements for data collection and use.
: Not applicable.
: The authors declare that they have no competing interests.