1. Faculty of Sciences of Bizerte, University of Carthage, 7021 Jarzouna, Tunisia.
2. Laboratory of Bioactive Substances, Center of Biotechnology of Borj Cedria, BP 901, 2050 Hammam Lif, Tunisia.
3. Immunology Department, Military Hospital of Tunis, Tunis, 1008, Tunisia.
4. Anatomy and Cyto-Pathology Department, Military Hospital, Mont-Fleury, Tunis, 1008, Tunisia.