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Authors
Chen, Panfeng
Jiang, Ping
Chen, Jianing
Yang, Yang
Guo, Xiumei
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Article History
Received: 9 April 2021
Accepted: 1 July 2021
First Online: 9 July 2021
Declarations
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: Written informed consent was obtained from all participants. The Ethics Committee of Tianjin First Central Hospital approved our study. The research has been carried out in accordance with the World Medical Association Declaration of Helsinki.
: Not applicable.
: The authors declare that there exists no conflict of interest.
