Han, Tianshu
Zhang, Shuang
Duan, Wei
Ren, Xinhui
Wei, Chunbo
Sun, Changhao
Li, Ying
Funding for this research was provided by:
National Natural Science Foundation of China (81803227)
Open Research Fund for Top Disciplines of Public Health and Prevent Medicine at Ningxia Medical University (30181302)
National Key R&D Program of China (2017YFC1307401)
Article History
Received: 4 September 2018
Accepted: 18 February 2019
First Online: 28 March 2019
Duality of interest
: The authors declare that there is no duality of interest associated with this manuscript.
Free to read: This content has been made available to all.