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Article History

Received: 12 January 2021

Accepted: 3 April 2021

First Online: 22 May 2021

Declarations

:

: The authors have no conflicts of interest to declare, and the results presented in this paper have not been published previously in whole or part.

: All procedures performed in this study were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. All patients have given their written informed consent and the study protocol was approved by the ethics committee of Nanjing first hospital.

: All participants provided informed consent prior to their participation.