Funding for this research was provided by:
Eunice Kennedy Shriver National Institute of Child Health and Human Development (R00HD076679)
Fogarty International Center (R21TW009908)
Received: 23 November 2020
Accepted: 21 March 2021
First Online: 1 April 2021
: All participants provided written informed consent in their preferred language (English or Kiswahili). The study protocol was approved by ethical review boards at the University of Washington (IRB approval #49487), Kenya Pharmacy and Poisons Board, and Kenya Medical Research Institute (IRB approval #3114).
: Not applicable.
: The authors report no conflicts of interest.