1. Department of Natural Products and Alternative Medicine, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
2. Department of Pharmacognosy, Faculty of Pharmacy, Cairo University, Giza, Egypt
3. Department of Pharmaceutical Chemistry, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
4. Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Gezira, Wad Madani, Sudan
5. Preparatory Year Program, Department of Chemistry, Batterjee Medical College, Jeddah, Saudi Arabia
6. Department of Pharmacognosy, Faculty of Pharmacy, Assiut University, Assiut, Egypt
7. Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Giza, Egypt