Funding for this research was provided by:
National Institutes of Health (K23 AI110532, NIH R25 MH087222, NIH R34 MH 105272)
Received: 31 October 2018
Accepted: 27 September 2019
First Online: 11 November 2019
Ethics approval and consent to participate
: The Institutional Review Boards of the University of California, Los Angeles and <i>Asociación Civil Via Libre</i> reviewed and approved all study procedures prior to the initiation of study activities. Written informed consent was obtained from all participants prior to participation.
: Not applicable.
: Jesse L. Clark is an editorial board member for BMC Infectious Diseases. The authors declare that they have no other competing interests.