Funding for this research was provided by:
Académie de recherche et d'enseignement supérieur
Received: 22 May 2021
Accepted: 8 November 2021
First Online: 15 November 2021
: This work was carried out in strict compliance with ethical rules. It has obtained the approval of the Ethics Committee of the Public Health School of the Faculty of Medicine of the University of Kinshasa under the Approval number ESP/CE/071/2019. All patients included in this study were informed of the risks associated with the study and gave their informed consent to participate. Anonymity was guaranteed and the data collected was kept and handled by the research team alone. All methods were carried out in accordance with relevant guidelines and regulations/Declaration of Helsinki.
: Not applicable.
: The authors declare no competing interests.