Skip to main content
. Author manuscript; available in PMC: 2020 Mar 1.
Published in final edited form as: Dev Rev. 2018 Dec 14;51:58–69. doi: 10.1016/j.dr.2018.12.001

Figure 1. Flow chart of study selection.

Figure 1

The flow diagram of the study selection process shows the following steps: identification of studies, screening to identify the eligible studies, selection of studies that met all inclusion criteria, and studies included in the meta-analysis.