1 Department of Biology, School of Medicine, Laboratory of Biochemistry, Rabta Hospital, Jebbari, 1007 Tunis, Tunisia.
2 Department of Child and Adolescent Neurology, School of Medicine, Mongi Ben Hmida Institute of Neurology, 1700 Tunis, Tunisia.
3 Department of Biochemistry and Molecular Biology, School of Medicine, Laboratory of Endocrinology, Metabolism-Nutrition, Oncology, Biology Pathology Center CHRU, 57039 Lille, France.
4 Department of Biology, School of Medicine, Mongi Ben Hmida Institute of Neurology, 1700 Tunis, Tunisia.