Funding for this research was provided by:
National Institute of Child Health and Human Development (NICHD RO1 HD057941-01)
the U.S. National Institute of Health (NIH) Fogarty International Center (D43 TW 007886)
Received: 27 December 2019
Accepted: 16 October 2020
First Online: 27 October 2020
Ethics approval and consent to participate
: The parent trial obtained ethical approval from the Harvard T.H. Chan School of Public Health Institutional Review Board (the IRB approval code is 18,573), the Muhimbili University of Health and Allied Sciences (MUHAS) Senate of Research and Publication Committee (the MUHAS approval reference is Ref.No.2015-06-26/AEC/Vol.IX/119), and Tanzania’s National Institute of Medical Research (NIMRI approval code is NIMR/HQ/R.8a/Vol. IX/966). All study participants were informed about the study and written consent was obtained from participants who accepted to participate in the study before data collection was initiated.
: Not applicable.
: The authors declared that they have no competing interests.