. 2020 Apr 14;34(6):708–730. doi: 10.1177/0269216320908775
© The Author(s) 2020
This article is distributed under the terms of the Creative Commons Attribution 4.0 License (https://creativecommons.org/licenses/by/4.0/) which permits any use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access page (https://us.sagepub.com/en-us/nam/open-access-at-sage).
Figure 1.
PRISMA flowchart of included/excluded studies.