1. Clinical Genetics Department; Human Genetics and Genome Research Division; National Research Centre; Cairo Egypt
2. Department of Human Genetics; Yokohama City University Graduate School of Medicine; Yokohama Japan
3. Pathology Department; Medical Research Division; National Research Centre; Cairo Egypt
4. Human Cytogenetics Department; Human Genetics and Genome Research Division; National Research Centre; Cairo Egypt
5. Orodental Genetics Department; Human Genetics and Genome Research Division; National Research Centre; Cairo Egypt
6. Pediatric Department; Faculty of Medicine; Cairo University; Cairo Egypt