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Authors
Wang, Zheng https://orcid.org/0000-0001-8020-9768
Ji, Xiaolin
Hao, Yanling
Hong, Kunxue
Ma, Liying
Li, Dan
Shao, Yiming https://orcid.org/0000-0002-4177-6038
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Article History
Received: 2 March 2019
Accepted: 17 October 2019
First Online: 11 December 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: Informed consent have been obtained from all participants and the studies have been approved by the Institutional Review Board of the National Center for AIDS/STD control and Prevention, China CDC.
