Flowchart for systematic review1
1From: Moher D, Liberati A, Tetzlaff J, Altman DG, The PRISMA
Group (2009). Preferred Reporting Items for Systematic Reviews and
Meta-Analyses: The PRISMA Statement. PLoS Med 6(7): e1000097. doi:10.1371/journal.pmed1000097
2. Three studies contributed outcomes to two HBV marker types