Financial & competing interests disclosure
Research supported by PEPFAR through NICHD under grant R01HD074558. Additional funding comes from the Elizabeth Glaser Pediatric AIDS Foundation, South African Medical Research Council, the Fogarty Foundation (NIH Fogarty International Center grant #5R25TW009340) and the Office of AIDS Research. The authors have no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript apart from those disclosed.
No writing assistance was utilized in the production of this manuscript.