1. Faculty of Medicine of Tunis, La Rabta Hospital, Department of Endocrinology, University of Tunis el manar, Tunis, Tunisia
2. Faculty of Medicine of Tunis, La Rabta Hospital, Department of Biochemistry, University of Tunis el manar, Tunis, Tunisia
3. Faculty of Medicine of Tunis, La Rabta Hospital, Department of Hematology, University of Tunis el manar, Tunis, Tunisia
4. Faculty of Medicine of Tunis, La Rabta Hospital, Department of Immunology, University of Tunis el manar, Tunis, Tunisia