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Authors
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Funding
Funding for this research was provided by:
Innovative Research Group Project of the National Natural Science Foundation of China (81372398)
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Article History
Received: 22 November 2021
Accepted: 15 January 2022
First Online: 29 January 2022
Declarations
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: The authors are accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. The study was conducted in accordance with the Declaration of Helsinki (as revised in 2013). The study was approved by institutional ethics board of Chongqing Medical University (No. 2020-202) and individual consent for this retrospective analysis was waived.
: Not applicable
: The authors declare that they have no competing interests.
