1. Faculty of Medicine of Sfax, Laboratory of Histology, University of Sfax, Sfax, Tunisia
2. Faculty of Medicine of Sfax, Laboratory of Pharmacology, University of Sfax, Sfax, Tunisia
3. Faculty of Sciences of Sfax, University of Sfax, Sfax, Tunisia
4. Department of Haematology, Hedi Chaker Hospital, University of Sfax, Sfax, Tunisia