Hu, Qiaozhi http://orcid.org/0000-0001-9957-1089
Qin, Zhou http://orcid.org/0000-0003-0065-981X
Zhan, Mei
Wu, Bin
Chen, Zhaoyan
Xu, Ting http://orcid.org/0000-0001-8727-9259
Funding for this research was provided by:
Preventive Medicine Association Of Sichuan (2017KJFW01)
Article History
Received: 15 August 2018
Accepted: 20 June 2019
First Online: 28 June 2019
Conflicts of interest
: The authors have no conflicts of interest to declare.