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Article History

Received: 18 February 2021

Accepted: 18 May 2021

First Online: 28 May 2021

Declarations

:

: The study was approved by the Ethics Committee on Biomedical Research, West China Hospital of Sichuan University (approval no.2020–843). All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This study was approved by the institutional review board. Informed consent was obtained from all individual participants included in the study. Additional informed consent was obtained from all individual participants for whom identifying information is included in this article.

: Written informed consent for publication was obtained from all participants.

: The authors declare that they have no competing interests.