Received: 27 October 2020
Accepted: 24 December 2021
First Online: 5 January 2022
: Ethical approval was obtained from the “Comité d’éthique de la recherche de l’École de Santé Publique, Université de Kinshasa (Research Ethics Committee of the School of Public Health, University of Kinshasa)”. We first informed the respondent before obtaining their verbal consent. Data collection was then conducted confidentially.
: Our manuscript does not contain any individual person’s data.
: The author declare that they have no competing interests.