1. LR99ES10 Laboratory of Human genetics, Faculty of Medicine of Tunis, University of Tunis El Manar, Tunis, Tunisia;
2. Fetopathology Unit, Hospital Habib Bougatfa, Bizerte, Tunisia;
3. Department of Embryo-Fetopathology, Maternity and Neonatology Center, Faculty of Medicine of Tunis, University of Tunis El Manar, Tunis, Tunisia