1. Medical Research Institute, Faculty of Medicine, Ain Shams University, Cairo, Egypt
2. Biology Department, School of Sciences & Engineering, American University in Cairo, New Cairo 11835, Egypt
3. Department of Materials Science, Institute of Graduate Studies & Research, Alexandria University, Alexandria, Egypt
4. Department of Chemistry, College of Science, University of Bahrain
5. Early Cancer Detection Unit. Ain Shams University Hospitals, Cairo, Egypt