1 Medical Biochemistry Department, Medical Research Division, National Research Centre, Giza, Egypt.
2 Biological Anthropology Department, Medical Research Division, National Research Centre, Giza, Egypt.
3 Clinical Genetics Department, Human Genetics and Genome Research Division, National Research Centre, El-Tahrir Street, PO:12622, Giza, Egypt. halabassyouni@yahoo.com.
4 Clinical Genetics Department, Human Genetics and Genome Research Division, National Research Centre, El-Tahrir Street, PO:12622, Giza, Egypt.
5 Human Cytogenetics Department, Human Genetics and Genome Research Division, National Research Centre, Giza, Egypt.
6 Pediatric Department, Faculty of Medicine for Girls, Al-Azhar University, Cairo, Egypt.
7 Department of Pediatrics, Faculty of Medicine, Cairo University, Cairo, Egypt.