Li, Yong-Hong
Ji, Ying
Ren, Bin-Bin
Jia, Lei-Na
Cai, Qian
Liu, Xin-Sheng
Funding for this research was provided by:
Ningxia Higher School Scientific Research Project (NGY2016118)
Top Discipline of Public Health and Prevent Medicine (NXYLXK2017B08)
Article History
Received: 28 April 2018
Accepted: 2 April 2019
First Online: 6 April 2019