Li, Bo http://orcid.org/0000-0001-5789-9086
Li, Dan
Liu, Jing-Feng
Wang, Lin
Li, Bao-Zhu
Yan, Xiu-Juan
Liu, Wei
Wu, Kun
Xiang, Ruo-Lan
Article History
Received: 9 September 2019
Revised: 17 October 2019
Accepted: 18 October 2019
First Online: 29 October 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants performed by any of the authors. As a systematic review and meta-analysis, no ethical approval or consent to participate was required.