1. Department of Pharmacognosy, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
2. Institute of Pharmacy and Molecular Biotechnology, Heidelberg University, Heidelberg, Germany
3. Medical Laboratory Sciences Department, Fakeeh College for Medical Sceinces, Jeddah, Saudi Arabia
4. Biochemistry Department, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt