1. Microbiology and Immunology Department, Faculty of Pharmacy, Ahram Canadian University (ACU), Cairo, Egypt.
2. Histology Department, Faculty of Medicine, Al-Azhar University, Damietta, Egypt.
3. Histology Department, Faculty of Medicine, Al-Azhar University, Cairo, Egypt.
4. Pathology Department, Faculty of Medicine, Al-Azhar University, Cairo, Egypt.
5. Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Cairo, Egypt.
6. International Center for Training and Advanced Researches (ICTAR-Egypt), Cairo, Egypt.