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Article History

Received: 9 March 2021

Accepted: 31 July 2021

First Online: 20 August 2021

Declarations

:

: 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. Informed consent was obtained from all participants for the use of their anonymized medical records for research purpose. The study was approved by the Ethics Committee of Zhongshan Hospital, Fudan University (B2017-031R).

: The authors declare no competing interests.