Document is current

Article History

Received: 18 July 2021

Accepted: 22 September 2021

First Online: 1 October 2021

Declarations

:

: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Committee of Medical Ethics, University of Miyazaki (ethics approval number, O-0758) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

: Informed consent was obtained by an opt-out method. Concretely, the authors noted details of this study on their website and asked participants to offer the authors not to use their information until the specified date. After this date, the authors could use information without patients’ consent.

: Not applicable.

: The authors declare that they have no conflict of interest.