1. Human Genetics and Genome Research Division, Clinical Genetics Department; National Research Centre; Cairo Egypt
2. Medical Research Division, Child Health Department; National Research Centre; Cairo Egypt
3. Pediatric Hepatology Department, Kasr Alainy Medical School; Cairo University; Cairo Egypt
4. Pediatric Neurology Department; National Institute of Neuromotor System; Cairo Egypt
5. Department of Occupational and Environmental Medicine, Kasr Alainy Medical School; Cairo University; Egypt
6. Pathology Department, Kasr Alainy Medical School; Cairo University; Cairo Egypt
7. Pediatric Neurology Department, Kasr Alainy Medical School; Cairo University; Cairo Egypt
8. Human Genetics and Genome Research Division, Medical Molecular Genetics Department; National Research Centre; Cairo Egypt