The meta-analysis was performed using RevMan 5.4 software.



RevMan 5.4
Electronic database searches were conducted including the Cochrane Library, PubMed, Web of Science and Embase. 
Cochrane Library
Electronic database searches were conducted including the Cochrane Library, PubMed, Web of Science and Embase. 
PubMed
Electronic database searches were conducted including the Cochrane Library, PubMed, Web of Science and Embase. 
Web of Science
Electronic database searches were conducted including the Cochrane Library, PubMed, Web of Science and Embase. 
Embase