Niu, Na
Xing, Haiqun
Wu, Meiqi
Ma, Yanru
Liu, Yimin
Ba, Jiantao
Zhu, Shikun
Li, Fang
Funding for this research was provided by:
National Natural Science Foundation of China (81571713)
Capital’s Funds for Health Improvement and Research (2016-2-40115)
CAMS Innovation Fund for Medical Sciences (2016-I2M-4-003, 2017-I2M-3-001, 2018-I2M-3-001)
Article History
Received: 16 July 2020
Revised: 2 December 2020
Accepted: 17 December 2020
First Online: 1 February 2021
Compliance with ethical standards
:
: The scientific guarantor of this publication is Li Huo (huoli@pumch.cn).
: 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.
: No complex statistical methods were necessary for this paper.
: Written informed consent was not required for this study because this was a meta-analysis using the studies in published literature and did not analyze specific human subjects.
: Institutional Review Board approval was not required because this was a meta-analysis using the studies in published literature and did not analyze specific human subjects.
: Information of study’s subjects or cohorts was extracted from previously published studies which were cited in the article.
: • meta-analysis