Funding for this research was provided by:
United States Agency for International Development (AFP-C-00-09-00016-00 and AID-OAA-C-16-00020)
Received: 31 May 2017
Accepted: 5 September 2017
First Online: 12 September 2017
Ethics approval and consent to participate
: Consent was obtained from all study participants prior to their participation. The study protocol was approved by the Health Sciences Institutional Review Board at Tufts University in Boston, MA, and by the National Health Sciences Research Committee of the Malawi Ministry of Health in Lilongwe, Malawi [CitationRef removed].
: Not applicable; no personally identifiable information was reported.
: The authors declare that they have no competing interests.
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