Received: 26 January 2021
Accepted: 2 February 2021
First Online: 13 September 2021
Ethics approval and consent to participate
: The ethical clearance was obtained from the Université Catholique de Bukavu’s ethics committee. This study was deemed non-human subject research as only anonymous and aggregated secondary data available in the public domain or accessible on request were used in the analyses.
: Not applicable.
: The authors declare that they have no competing interests.