Huang, Jing
Meng, Long
Yang, Bing
Sun, Shusen
Luo, Zhigang
Chen, Hong
Funding for this research was provided by:
Chongqing Municipal Public Health Bureau, Chongqing People's Municipal Government (ZY20132165, ZY20132165, ZY20132165, ZY20132165, ZY20132165)
Chongqing Municipal Public Health Bureau, Chongqing People's Municipal Government
Chongqing Municipal Public Health Bureau, Chongqing People's Municipal Government
Chongqing Municipal Public Health Bureau, Chongqing People's Municipal Government
Chongqing Municipal Public Health Bureau, Chongqing People's Municipal Government
Article History
Received: 13 May 2019
Accepted: 27 February 2020
First Online: 16 March 2020
Change Date: 15 June 2020
Change Type: Update
Change Details: In the original version of this Article the character - was replaced by the character �. This has now been fixed in the Article.
Competing interests
: The authors declare no competing interests.