Received: 21 July 2017
Accepted: 4 February 2018
First Online: 13 February 2018
Ethics approval and consent to participate
: Informed verbal consent was secured from study participants in their own language explaining the purpose of the study and benefits of partaking in the study and the right to leave the study any time. The participants were also assured about the confidentiality of the data. Ethical approval was granted by the Ethical Committee of the Catholic University of Bukavu, DRC.
: Not applicable.
: The authors declare that they have no competing interests.
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