1. Higher Institute of Applied Biology (ISBAM) of Medenine, University of Gabés, Medenine, Tunisia
2. Laboratory of Functional Neurophysiology and Pathology, Faculty of Science of Tunis, University of Tunis El Manar, Tunis, Tunisia
3. Laboratory of General Biology, Biology Department, University of Hail, Hail, Saudi Arabia
4. Section of Histology – Cytology, Faculty of Medicine of Tunis, University of Tunis, Tunis, Tunisia
5. Laboratory Histo-embryology and Cytogenetics, Faculty of Medicine of Sfax, University of Sfax, Sfax, Tunisia