Systematic Review
Copyright ©The Author(s) 2019.
World J Meta-Anal. Jun 30, 2019; 7(6): 309-322
Published online Jun 30, 2019. doi: 10.13105/wjma.v7.i6.309
Figure 1
Figure 1 PRISMA flow chart of literature search showing the identification, screening, eligibility, and inclusion phases of the search.