Llamas, Ana
Mayhew, Susannah
Funding for this research was provided by:
Medical Research Council
Economic and Social Research Council
Article History
Received: 8 November 2017
Accepted: 24 May 2018
First Online: 4 June 2018
Ethics approval and consent to participate
: This study was approved by the ethical committee of the London School of Hygiene and Tropical medicine and the University of Otavalo as well as from local stakeholders. We confirm that participants received information and gave oral or written consent to take part in this study.
: The authors declare that they have no competing interests.
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