Zhao, Yi
Wang, Binxia
Wang, Guoqi
Huang, Lixia
Yin, Ting
Li, Xiaoxia
Liu, Xiuying
Wang, Qingan
Jing, Jinyun
Yang, Jianjun
Zhang, Yuhong
Funding for this research was provided by:
National Natural Science Foundation of China (81160358)
Ningxia medical university scientific research project (XY201621)
Top Discipline of Public Health and Prevent Medicine (NXYLXK2017A08)
Article History
Received: 25 June 2019
Accepted: 12 January 2020
First Online: 17 January 2020
Ethics approval and consent to participate
: This study was approved by Ningxia Medical University Ethics Committee, and all participants were obtained written and verbal information about our study and gave written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.