Funding for this research was provided by:
This research has been supported by the President’s Emergency Plan for AIDS Relief (PEPFAR) through the U.S. Centers for Disease Control and Prevention. (Not Applicable)
Received: 12 August 2019
Accepted: 9 December 2019
First Online: 16 December 2019
Ethics approval and consent to participate
: The study protocol, including methods of consent, was approved by the Botswana Health Research and Development Committee, the U.S. Centers for Disease Control and Prevention Institutional Review Board (IRB), Atlanta, GA USA, the University of Pennsylvania IRB, Philadelphia, PA USA, and the University of Witwatersrand IRB, Johannesburg, South Africa. Written informed consent was obtained from adults (<u>></u> 18 years old), assent was obtained from those aged 7–17 years old in addition to written informed consent obtained from a parent or guardian for participants under 18 years old.
: Not applicable.
: The authors declare that they have no competing interests.