1. Department of Immunogenetics, National Blood Transfusion Center, Tunis, Tunisia
2. School of Pharmacy, Lebanese American University, Byblos, Lebanon
3. Department of Biology, Faculty of Sciences, El-Manar University, Tunis, Tunisia
4. Department of Immunology, School of Medicine, Madrid Regional Blood Center, University Complutense, Madrid, Spain
5. Department of Medical Analysis, Regional Hospital of Gabes (Ghannouch), Gabes, Tunisia