Zhang, Zhoubin
Fan, Shujun
Xue, Zhenxiang
Yuan, Jun
Zhou, Ziyan
Wang, Tongmin
Liu, Junling
Bawudun, Ayxamgul
Nurmamat, Nazibam
Wang, Yuzhong
Yang, Zhicong
Funding for this research was provided by:
Science and Technology Project of Guangdong Province (2014A020209006)
National Natural Science Foundation of China (81803196)
Article History
Received: 11 October 2018
Accepted: 11 April 2019
First Online: 21 May 2019
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of Guangzhou Center for Disease Control (Identification code: GZCDC-ER[A]2016007). A written informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.
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