Funding for this research was provided by:
Received: 17 April 2020
Accepted: 12 August 2021
First Online: 19 August 2021
: The study was approved by the Commission Institutionelle d’Ethique (CIE) of the Université Catholique de Bukavu (N/Ref: UCB/CIE/NC/22/2014) in accordance to existing ethical guidelines in D.R Congo and the Swedish Regional Ethical Committee in Göteborg (N°: 504-16). The South-Kivu provincial Medical Doctor of Health in Bukavu was informed and approved the study (Ref: 065/CD/DPS-SK/2015). Informed oral and written consent was obtained from the accompanying parent or guardian of each child included in the study.
: Not applicable.
: The authors declare they have no competing interests.