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Authors
Zhang, Zhiqiao http://orcid.org/0000-0003-4631-8818
Li, Jing
He, Tingshan
Ouyang, Yanling
Huang, Yiyan
Liu, Qingbo
Wang, Peng
Ding, Jianqiang
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Funding
Funding for this research was provided by:
Guangdong Provincial Health Department (A2016450, B2018237)
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Article History
Received: 5 August 2019
Accepted: 25 October 2019
First Online: 14 November 2019
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.
