. 2020 Aug 17;4:173. Originally published 2019 Nov 12. [Version 2] doi: 10.12688/wellcomeopenres.15412.2
Copyright: © 2020 Ochodo EA et al.
This is an open access article distributed under the terms of the Creative Commons Attribution Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 1. Flow chart of included studies.
