Funding for this research was provided by:
Bill and Melinda Gates Foundation (OPP50470)
Article History
Received: 14 February 2017
Accepted: 1 April 2018
First Online: 12 April 2018
Ethics approval and consent to participate
: Ethical approval was granted by the Ghana Health Service Ethical Review Committee on August 22nd, 2013. The ERC reference id number is: GHS-ERC: 09/07/13. Written informed consent was obtained from all study participants.
: The authors declare that they have no competing interests.
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