1. Department of Chemistry, Biochemistry Section, Faculty of Science, Tanta University, Tanta, Egypt
2. Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
3. Genetic Unit, Children Hospital, Mansoura University, Mansoura, Egypt
4. Department of Biochemistry, College of Physical Therapy, Horus University – Egypt (HUE), New Damietta, Egypt