Received: 2 August 2021
Accepted: 8 September 2021
First Online: 20 September 2021
: The study was approved by the Ethics Committee of the Faculty of Health Sciences of Cotonou of the University of Abomey-Calavi, Benin (N°011-18/UAC/FSS/CER-SS). Informed consent was obtained from all subjects involved in the study.
: The authors declare no competing interests.