1. Department of Zoology, College of Science, Mansoura University, Mansoura, Egypt;
2. Genetics Unit, Children Hospital, Mansoura University, Mansoura, Egypt;
3. Department of Internal Medicine, College of Medicine, Mansoura University, Mansoura, Egypt;
4. Department of Biochemistry, College of Pharmacy, Horus University in Egypt (HUE), New Damietta, Egypt