. 2017 Dec 18;20(4):e25037. doi: 10.1002/jia2.25037
© 2017 The Authors. Journal of the International AIDS Society published by John Wiley & sons Ltd on behalf of the International AIDS Society.
This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
Figure 2.
Case and control selection process.