1. General Organization for Export and Import Control (GOEIC), P.O. Box 11522, Cairo, Egypt
2. Egyptian Petroleum Research Institute (EPRI), P.O. Box 11727, Nasr City, Cairo, Egypt
3. Center of Excellence, October University for Modern Sciences and Arts (MSA), P.O. Box 12566, 6th of October City, Giza, Egypt
4. Biochemistry Division, Faculty of Physical Therapy, October University for Modern Sciences and Arts (MSA), P.O. Box 12566, 6th of October City, Giza, Egypt
5. Biochemistry Division, Faculty of Science, Cairo University, P.O. Box 12613, Giza, Egypt