Bibliographical noteFunding Information:
Financial support. This work was supported by the President’s Emergency Plan for AIDS Relief (PEPFAR) though the Centers for Disease Control and Prevention (grant number U01GH000517).
Potential conflicts of interest. M. F. P., D. R. B., D. B. M., E. N., and R. R. have received grant support from the National Institute of Allergy and Infectious Diseases. All other authors report no potential conflicts. All authors have submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Conflicts that the editors consider relevant to the content of the manuscript have been disclosed.