Table S1 PRISMA checklist
Table S2 MEDLINE search strategy
Table S3 EMBASE search strategy
Table S4 PubMed search strategy
Table S5 CNKI search strategy
Table S6 Wanfang search strategy
Table S7 Wanfang Med Online search strategy
Table S8 SinoMed search strategy
Table S9 CQVIP search strategy
Figure 1–38