Text and Data Mining valid from 2019-01-21
Received: 1 November 2018
Accepted: 11 January 2019
First Online: 21 January 2019
Ethics approval and consent to participate
: Respondents provided singed informed consent for participation in the study, either by written signature or by fingerprints, depending on literacy. Child assent was obtained for respondents below 18 years of age. Ethical approval for the study was obtained from the Université Catholique de Bukavu ethics committee and the <i>hospital</i>-faculty <i>ethics committee</i> of the Université Catholique de Louvain.
: The authors declare that they have no competing interests.
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