Wang, Wanying
Wang, Lihua
Deng, Qing
Cai, Yun
Wu, Xianhao
Sun, Liyan
Funding for this research was provided by:
National Natural Science Foundation of China (81602807)
Article History
Received: 16 October 2018
Accepted: 28 December 2018
First Online: 11 January 2019
Ethics approval and consent to participate
: This study was conducted in accordance with the Helsinki Declaration II and was approved by the Human Ethics Committee of Endemic Disease Center of Harbin Medical University, People’s Republic of China and the Administration Village Committee. Written informed consents were obtained from the parents or guardians of all children.
: Not applicable.
: All authors declare that they have no competing interests.
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