1. Department of Hepato-Gastroenterology, University Hospital Hassan II-Fez, Laboratory of Human Pathology, Biomedicine and Environment, Fes, Morocco
2. Faculty of Medicine and Pharmacy of Fez, Sidi Mohamed Ben Abdellah University Fez-Morocco, Fes, Morocco
3. Urology Department-University Hospital Hassan II-Fez, Fes, Morocco
4. Pathological Anatomy Department, University Hospital Hassan II of Fez, Fes, Morocco