Qian, Ge
Zhang, Xiaoyu
Xu, Weicheng
Zou, Hequn
Li, Yongqiang
Funding for this research was provided by:
The Guangdong Provincial Science and Technology Project (No. 2014A020212662)
The Science and Technology Planning Project of Southern Medical University (No. CX2016N018)
The Science and Technology Planning Project of Tianhe District, Guangzhou City (No. 201704KW011)
The Natural Science Foundation of Guangdong Province (2016A030313559)
The South Wisdom Valley Innovative Research Team Program (2014CXTD04, 2014)
Article History
Received: 11 June 2018
Accepted: 30 January 2019
First Online: 6 March 2019
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: Ethics approval is not required because this is a protocol for a systematic review and meta-analysis in which no primary human data will be collected.