1. Research Unit n° 17/ES/12, Faculty of Medicine, University of Tunis El Manar, Tunis, Tunisia
2. Laboratory of Experimental Medicine, Faculty of Medicine of Tunis, University of Tunis El Manar, Tunis, Tunisia
3. Research Unit n° 17/ES/13, Laboratory of Histology and Embryology, Faculty of Medicine of Tunis, University of Tunis El Manar, Tunis, Tunisia
4. UR05/08-08, LR99/ES/11, Department of Biochemistry, Rabta Hospital, University of Tunis El Manar, Tunis, Tunisia
5. Laboratory of Anatomy and Pathology, Habib Thameur Hospital, Tunis, Tunisia