Funding for this research was provided by:
Harvard T.H. Chan School of Public Health (BLSCHP-1602-1)
Article History
Received: 5 August 2020
Accepted: 10 November 2020
First Online: 25 November 2020
Ethics approval and consent to participate
: Ethics approval was obtained from the George Institute for Global Health (Project Number 012/2018). All participants gave individual, written informed consent to participate.
: Not applicable.
: The authors declare that they have no competing interests.