1. Biochemistry Department, Biotechnology Research Institute, National Research Centre, 33 El Bohouth St. (Former El Tahrir St.), Dokki, Cairo, Egypt
2. Pharmacognosy Department, Pharmaceutical and Drug Industries Research Institute, National Research Centre, 33 El Bohouth St. (Former El Tahrir St.), Dokki, Cairo, Egypt
3. Egyptian Organization for Biological Products & Vaccines (Vacsera), Giza, Egypt
4. Food Toxicology and Contaminants Department, Food Industries and Nutrition Research Institute, National Research Centre, 33 El Bohouth St. (Former El Tahrir St.), Dokki, Cairo, Egypt
5. Packaging Materials Department, National Research Centre, 33 El Bohouth St. (Former El Tahrir St.), Dokki, Cairo, Egypt