Received: 30 December 2020
Accepted: 9 August 2021
First Online: 19 August 2021
: The study protocol was approved by the ethics committee of the urology department of the CHU Aristide Le Dantec in Dakar. This committee is composed of senior professors. The approval number is not available. Verbal consent was obtained from all subjects. And this consent was approved by the ethics committee.
: Not applicable.
: No competing interest is declared by any of the authors.