1. Medical Biochemistry Research Department, Medicinal and Aromatic Plants and Traditional Medicine Research Institute, National Center for Research, Khartoum, Sudan;
2. H. E. J. Research Institute of Chemistry, International Center for Chemicals and Biological Sciences, University of Karachi, Karachi, Pakistan;
3. Central Department of Chemistry, Tribhuvan University, Kirtipur, Kathmandu, Nepal;
4. Department of Molecular Biology and Genetics, Faculty of Science and Arts, Yıldız Technical University, İstanbul, Turkey;
5. Department of Pharmaceutical Chemistry, College of Pharmacy, Jazan University, Jazan, Saudi Arabia;
6. Substance Abuse Research Center, Jazan University, Jazan, Saudi Arabia;
7. Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia