This supplement contains Supplementary figure S1 Risk of Bias of Included Studies, Supplementary figure S2-S7: Heterogeneity of outcome measures, Supplementary figure S8-S20: The Trial Sequential Anal
aHerbal interventions included bulk herbs, decoctions, pills;bNon-herbal interventions included acupuncture and Tuina;cCommon ICD-10: International Classification of Diseases 10.