Data sources and search strategy
This systematic review was conducted under the guidance of the Cochrane Collaboration Handbook.17 We reported the findings following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement.18 We included four bibliography databases, including PubMed, Embase, China National Knowledge Infrastructure (CNKI), and Wanfang, as the sources. Considering the limited publication coverage in Chinese in PubMed and Embase, we included two major Chinese bibliography databases, CNKI and Wanfang.19 We searched the publications till March 18th, 2023.