Funding for this research was provided by:
Weill Cornell Medical College (Dean's Diversity and Healthcare Disparity Research Award)
Received: 3 December 2018
Accepted: 12 July 2019
First Online: 22 July 2019
Ethics approval and consent to participate
: All participants provided written informed consent. Ethical permission to conduct this study was obtained from the National Institute for Medical Research in Dar es Salaam, Tanzania and Weill Cornell Medicine in New York, USA.
: Not applicable.
: The authors declare that they have no competing interests.