Duan, Baoqi
Xie, Jinsong
Rui, Qinglin
Zhang, Wenxi
Xi, Zhaoqing http://orcid.org/0000-0003-3338-2263
Funding for this research was provided by:
National Natural Science Foundation of China (81673933)
Article History
Received: 8 February 2018
Accepted: 12 March 2018
First Online: 29 March 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Ethical approval was not necessary due to this meta-analysis adopted the study-level data. This article adopted the study-level data.