Chen, Yong
Zhang, Jinlin
Chu, Xuhua
Xu, Yuanling
Ma, Fubao
Funding for this research was provided by:
Science Project of the Jiangsu Commission of Health (H201515)
Science-Education Project of the Jiangsu Center for Disease Control and Prevention (JKRC2011023)
Article History
Received: 10 June 2019
Accepted: 11 December 2019
First Online: 19 December 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.