Xiao, Meiling
Yan, Bicong
Li, Ying
Lu, Jingjing
Qiang, Jinwei
Funding for this research was provided by:
NationalNatural Science Foundation of China (81471628)
Shanghai Municipal Commission of Health and Family Planning, China (2013SY075 and ZK2015A05)
Article History
Received: 8 February 2019
Revised: 8 June 2019
Accepted: 16 September 2019
First Online: 27 November 2019
Compliance with ethical standards
:
: The scientific guarantor of this publication is Jinwei Qiang.
: The authors of this manuscript declare no relationships with any companies, whose products or services may be related to the subject matter of the article.
: One of the authors (Ying Li) has significant statistical expertise.
: Written informed consent was not required for this study due to the nature of the study, which was a meta-analysis.
: Institutional Review Board approval was not required for this study due to the nature of the study, which was a meta-analysis.
: • Meta-analysis• Performed at one institution