. 2019 Dec 11;4:136. Originally published 2019 Sep 19. [Version 3] doi: 10.12688/wellcomeopenres.15467.3
Copyright: © 2019 Carrillo-Larco RM 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 the study selection process.
