1. Department of Oral Pathology, Faculty of Dentistry Alexandria University Alexandria Egypt
2. Center of Excellence for Research in Regenerative Medicine and Applications (CERRMA), Faculty of Medicine Alexandria University Alexandria Egypt
3. Department of Clinical Pharmacology, Faculty of Medicine Alexandria University Alexandria Egypt
4. Department of Biochemistry, Medical Research Institute Alexandria University Alexandria Egypt
5. Department of Histology and Cell Biology, Faculty of Medicine Alexandria University Alexandria Egypt
6. Department of Pathology, Executive Manager of the Nanomedicine Laboratory at the Center of Excellence for Research in Regenerative Medicine (CERRMA), Faculty of Medicine Alexandria University Alexandria Egypt