1. Laboratory of Biomedical and Translational Research, Faculty of Medicine and Pharmacy, Sidi Mohamed Ben Abdellah University, Fez, Morocco
2. Laboratory of Anatomic Pathology and Molecular Pathology, Sidi Mohamed Ben Abdellah University, Fez, Morocco
3. Unit of Medical Genetics and Oncogenetics, Sidi Mohamed Ben Abdellah University, Fez, Morocco
4. Department of Oncology, Sidi Mohamed Ben Abdellah University, Fez, Morocco
5. Department of General surgery, Sidi Mohamed Ben Abdellah University, Fez, Morocco
6. Department of Gastroenterology, Sidi Mohamed Ben Abdellah University, Fez, Morocco