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Authors
Zhang, Yan-Qiu https://orcid.org/0000-0003-0017-9488
Li, Xin-Xu
Li, Wei-Bin
Jiang, Jian-Guo
Zhang, Guo-Long
Zhuang, Yan
Xu, Ji-Ying
Shi, Jie
Sun, Ding-Yong
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Article History
Received: 1 April 2020
Accepted: 16 August 2020
First Online: 31 August 2020
Ethics approval and consent to participate
: This study was based on the active PTB registration rates in the whole province, and no personal information was involved.
: Not applicable.
: The authors declare that they have no competing interests.
