Funding for this research was provided by:
Bill and Melinda Gates Foundation (OPP1116717)
Article History
Received: 10 April 2017
Accepted: 8 March 2018
First Online: 21 March 2018
Ethics approval and consent to participate
: Ethical clearance was obtained from the University of Zurich Ethics Commission. The research project passed the National Committee of Bioethics for Health Mozambique (CNBS, reference number 54/CNBS/16). Every respondent was informed about the background of the study, that participation was voluntary, and that the data collected would remain anonymous. Every respondent gave his or her consent to take part in this study.
: Not applicable.
: The authors declare that they have no competing interests.
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