Received: 4 July 2022
Accepted: 22 February 2023
First Online: 8 March 2023
: This study was performed following the Helsinki Declaration and approved by the Medical Ethics Committee of Gabon (consent number PROT N°0010/2013/SG/CNE). This study also obtained the authorization of the Scientific Committee of the Centre International de Recherches Médicales de Franceville (CIRMF).
: Not applicable.
: The authors have no conflict of interest.