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Authors
Liang, Junxiao
Peng, Qiaohua
Yang, Xinyun
Yang, Chunbo
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Article History
Received: 3 December 2020
Accepted: 24 February 2021
First Online: 6 March 2021
Declarations
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: This research analyzed de-identified information downloaded from the National Health and Nutrition Examination Survey public database, which is exempt from future Institutional Review Board approval.
: Not applicable.
: The authors declare that they have no competing interests.
