1. Department of Pharmacognosy, Faculty of Pharmacy, Helwan University. Ain Helwan, Cairo, Egypt
2. Microbiology Department, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
3. Pharmacology Unit – Cancer Biology Department, National Cancer Institute, Cairo University, Cairo, Egypt
4. Pharmacology and Toxicology Department, Faculty of Pharmacy, Ahram Canadian University, Cairo, Egypt
5. Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Helwan University, Cairo, Egypt