Xu, Yixin
Gao, Jie
Wang, Yibo
Tan, Yulin
Xi, Cheng
Ye, Nianyuan
Wu, Dapeng
Xu, Xuezhong
Article History
Received: 18 May 2020
Accepted: 6 August 2020
First Online: 18 August 2020
Ethics approval and consent to participate
: This research is a meta-analysis of published studies that did not need informed consent. Ethics approval and consent to participate were not applicable in this study.
: Consent for publication was not necessary, as this study was a “systematic review and meta-analysis.” There are no any individual person’s data in any form in this article.
: No potential conflicts of interest were disclosed.