. 2021 Apr 5;53(1):558–566. doi: 10.1080/07853890.2021.1906943
© 2021 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 2.
Flow diagram of study selection in the meta-analysis.