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Authors
Feng, Xiaobing
Li, Wenzhen
Cheng, Man
Qiu, Weihong
Liang, Ruyi
Li, Minjing
Chen, Weihong
Wang, Dongming
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Funding
Funding for this research was provided by:
National Natural Science Foundation of China (81903291)
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Article History
Received: 4 June 2021
Accepted: 14 August 2021
First Online: 20 August 2021
Declarations
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: The National Health and Nutrition Examination Survey protocol was approved by the National Center for Health Statistics Ethics Review Board, and written informed consent was obtained from all participants.
: Not applicable.
: The authors declare no competing interests.
