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Authors
Wu, Linqin
Cheng, Bo
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Funding
Funding for this research was provided by:
Chongqing Municipal Public Health Bureau, Chongqing People's Municipal Government (2007(2))
National Key Clinical Specialty Discipline Construction Program of China (2011(170))
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Article History
Received: 25 March 2021
Accepted: 25 May 2021
First Online: 5 June 2021
Declarations
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: This study was approved by the ethics committee of the first affiliated hospital of Chongqing Medical University. Informed consent was obtained from all the participants.
: Written informed consent was obtained from each patient to authorize the publication of their data.
: The authors declare that they have no competing interests.
