1. Pneumology Department Military Hospital of Tunis Tunis Tunisia
2. Faculty of Medicine of Tunis University Tunis El Manar Tunis Tunisia
3. Neurology Department Military Hospital of Tunis Tunis Tunisia
4. Department of Rheumatology Rabta Hospital Tunis Tunisia
5. Molecular Biology Unit (UR17DN06), Laboratory of Hematology Military Hospital of Tunis Tunis Tunisia