1. Research Laboratory LR12DN01 Military Hospital of Tunis Tunis Tunisia
2. Department of Intensive Care Military Hospital of Tunis Tunis Tunisia
3. Research Unit UR17DN05 Military Hospital of Tunis Tunis Tunisia
4. Department of Physiology Morehouse School of Medicine Atlanta Georgia USA
5. Department of Infectious Disease Military Hospital of Tunis Tunis Tunisia
6. Department of Virology Military Hospital of Tunis Tunis Tunisia
7. Department of Biochemistry Military Hospital of Tunis Tunis Tunisia
8. Department of Sciences, Tunisian Academy of Sciences, Letters and Art, Beit El Hikma Academy University of Tunis El Manar Tunis Tunisia