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Authors
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Funding
Funding for this research was provided by:
Beijing JST research (ZR-201921)
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Article History
Received: 4 January 2020
Accepted: 3 August 2020
First Online: 26 August 2020
Ethics approval and consent to participate
: The study design was approved by the Ethics Committee of Beijing Jishuitan Hospital (No.201911–15). Given the retrospective nature of the study, the Ethics Committee determined that an informed consent was not necessary. This study used data collected from patient records while maintaining patient anonymity. No administrative permissions were required to access the raw data.
: Not applicable.
: The authors declare no competing interests.
