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Authors
Kang, Leni
Liang, Juan
He, Chunhua
Miao, Lei
Li, Xiaohong
Dai, Li
Li, Qi
Liu, Zheng
Zhu, Jun
Wang, Yanping
Liu, Hanmin
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Funding
Funding for this research was provided by:
National Health Commission of the People’s Republic of China
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Article History
Received: 22 July 2020
Accepted: 10 January 2021
First Online: 10 February 2021
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of West China Second University Hospital, Sichuan University, China. The informed consent forms were waived in this study for using the existing data.
: Not applicable.
: The authors declare that they have no competing interests.
