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Article History

Received: 14 April 2021

Revised: 5 July 2021

Accepted: 10 July 2021

First Online: 15 July 2021

Compliance with ethical standards

:

: This project was approved by the Ethics Committee of Beijing Jishuitan Hospital (No. 202008–01).

: The informed consent was waived due to the retrospective nature of the study.

: Not applicable.

: None.