1. Biology Department, Faculty of Sciences, University November 7th at Carthage
2. Biochemistry Laboratory, UR 08-39, Faculty of Medicine, University of Monastir
3. U11 Cardiovascular Unit, Louis Pradel Hospital and INSERM U585
4. Departments of Internal Medicine (SH) and Cardiology (KBH), Monastir Hospital
5. INSERM U476, Faculty of Medecine la Timone, University Aix-Marseille II