Funding for this research was provided by:
The Bernard Lown Scholars in Cardiovascular Health Program at Harvard T.H Chan School of Public Health (BLSCHP-1901)
SIDA small grant award from Muhimbili University of Health Sciences and Allied Sciences
Received: 19 June 2020
Accepted: 22 November 2020
First Online: 30 November 2020
Ethics approval and consent to participate
: The study was approved by research ethics review committee of Muhimbili University of Health and Allied Sciences (MUHAS-REC-1-2017-070). All study participants received information about study objectives, procedures, importance, risks and benefits and voluntary participation. A written informed consent was obtained from all participants before joining the study.
: Not applicable.
: The authors declare that they have no competing interests.