1. Urology Unit, Department of General Surgery, Douala General Hospital,
Cameroon
2. Faculty of Medicine and Biomedical Sciences, University of Yaoundé I,
Cameroon
3. Urology Service, Douala Laquintinie Hospital,
Cameroon
4. Faculty of Medicine and Pharmaceutic Sciences, University of Douala,
Cameroon
5. Université des Montagnes,
Cameroon