Received: 15 August 2018
Accepted: 9 May 2019
First Online: 30 May 2019
Ethics approval and consent to participate
: The study protocol was reviewed and approved by the University of Zimbabwe institutional review board (JREC) and the Medical Research Council of Zimbabwe (MRCZ/A/1819). As the study was conducted at the health facilities, the researchers sought permission from the relevant authorities who assisted in the identification of mothers. Participating women gave written consent.
: Not applicable.
: The authors declare that they have no competing interests.
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