Funding for this research was provided by:
Health Resources and Services Administration (UJ7HA31180)
National Institute of Mental Health (P30-MH43520)
First Online: 18 August 2020
Compliance with Ethical Standards
: The authors have declared that no competing interests exist.
: The protocol was approved by the Columbia University Institutional Review Board (Protocol IRB-AAAR9020), the Medical Research Council of Zimbabwe (Protocol MRCZ/A/2326), and the U.S Health Resources & Services Administration (HRSA).
: Written informed consent was obtained from all participants who participated in the study.