. 2020 Jun 18;23(6):e25490. doi: 10.1002/jia2.25490
© 2020 World Health Organization; licensed by John Wiley & Sons Ltd on behalf of the International AIDS Society.
This is an open access article distributed under the terms of the Creative Commons Attribution IGO License https://creativecommons.org/licenses/by/3.0/igo/legalcode which permits unrestricted use, distribution and reproduction in any medium, provided that the original work is properly cited. In any reproduction of this article there should not be any suggestion that WHO or the article endorse any specific organization or products. The use of the WHO logo is not permitted. This notice should be preserved along with the article's URL.
Figure 1.
PRISMA flowchart