1. Department of Pathology HSR, Ibn Sina University Hospital Center , Rabat 10100 , Morocco
2. Mohammed V University in Rabat , Rabat , Morocco
3. Department of Maxillo-Facial Surgery HSR, Ibn Sina University Hospital Center , Rabat 10100 , Morocco
4. Department of Pathology Ibn Sina, Ibn Sina University Hospital Center , Rabat 10100 , Morocco