1. Genetics Unit, Pediatrics Department, Faculty of Medicine; Mansoura University; Mansoura Egypt
2. Endocrinology Unit, Pediatrics Department, Faculty of Medicine; Mansoura University; Mansoura Egypt
3. Radiology department; Mansoura University Children's Hospital MUCH; Mansoura Egypt
4. Hôpital Universitaire Necker-Enfants Malades; Laboratoire de génétique moléculaire; Bâtiment Lavoisier 3ème étage (Porte L1) France
5. Pathology department, Faculty of Medicine; Mansoura University; Mansoura Egypt