Funding for this research was provided by:
Médecins Sans Frontières
Received: 20 January 2020
Accepted: 18 August 2020
First Online: 21 September 2020
Ethics approval and consent to participate
: The study protocol was approved by the MSF Ethics Review Board and Eswatini’s National Health Research Review Board. All participants provided written informed consent before study enrolment.
: Not applicable.
: The authors declare that they have no competing interests.