1. Department of Pharmacognosy, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt
2. National Center for Natural Products Research, School of Pharmacy, The University of Mississippi, University, Mississippi, United States
3. Division of Pharmacognosy, Department of Biomolecular Sciences, School of Pharmacy, The University of Mississippi, University, Mississippi, United States
4. Department of Pharmacognosy, Tanta University, College of Pharmacy, Tanta, Egypt
5. Institute of Bioprocess Engineering, Technical University of Kaiserslautern, Kaiserslautern, Germany