Routine extensive cardiovascular screening before oral beta-blocker therapy for infantile hemangiomas: A systematic review and meta-analysis of real-world evidence

Supplementary materials for this systematic review and meta-analysis include: Supplementary materials for this systematic review and meta-analysis include: ① Supplementary 1 PRISMA checklists ② 5 supplementary tables covering summary of guidelines, search strategies, study inclusion/exclusion, main characteristics of studies and quality assessment ③ Supplementary Figure 1. Forest plots showing the pooled proportions of abnormal electrocardiograms and abnormal echocardiograms