Funding for this research was provided by:
ICS Integrare, on behalf of the Bill and Melinda Gates Foundation (2013_55_BMGF_OPP1094652 University of Oxford 112015)
Text and Data Mining valid from 2018-06-27
Received: 19 December 2017
Accepted: 12 June 2018
First Online: 27 June 2018
Ethics approval and consent to participate
: This study received ethics approval from Oxford University, Ref: SSH_SPI_C1A_15_006. Participants’ consent was also obtained for the purposes of publishing the results from the study.
: Not applicable.
: The authors declare that they have no competing interests.
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