1. Pediatric Neurology Unit Department of Pediatrics Faculty of Medicine Sohag University Sohag Egypt
2. Pediatric Cardiology Unit Department of Pediatrics Faculty of Medicine Sohag University Sohag Egypt
3. Metabolic and Genetic Unit Department of Pediatrics Faculty of Medicine Sohag University Sohag Egypt
4. Department of Medical Genetics Faculty of Medicine Ain Shams University Cairo Egypt
5. Department of Radiology Faculty of Medicine Sohag University Sohag Egypt
6. Pediatric Cardiology Unit Department of Pediatrics Faculty of Medicine Mansoura University Mansoura Egypt