Zhang, Quan
Li, Xiaoming
Qiao, Shan
Shen, Zhiyong
Zhou, Yuejiao
Funding for this research was provided by:
National Institutes of Health (R01HD074221, R21AI122919)
Article History
Received: 12 November 2019
Accepted: 21 February 2020
First Online: 2 March 2020
Ethics approval and consent to participate
: This study was approved by ethical review boards of the University of South Carolina, Columbia (USA) and the Guangxi Center for Disease Prevention and Control (Nanning, China). All participants provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.