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Authors
Gao, Shihao
Wang, Zhangzhan
Liu, Xiaozhe
Xu, Bing
Liu, Fengjin
- License Information
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Article History
Received: 27 March 2021
Accepted: 2 June 2021
First Online: 9 June 2021
Declarations
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: The authors declare that they have no competing interests.
: The study was approved by the Ethics Committee of Gucheng County Hospital. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.
