Funding for this research was provided by:
Merck for Mothers (13-AWD-032)
Received: 24 May 2017
Accepted: 28 December 2017
First Online: 25 January 2018
Ethics approval and consent to participate
: The study was approved by the Johns Hopkins University Institutional Review Board in Baltimore (IRB 00005284) and the University of Zambia Research Ethics Committee (IRB 00001131) and the Zambian Ministry of Health. All focus group and interview participants were consented prior to their participation in the study.
: Not applicable
: The authors declare that they have no competing interests.
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